Agatha Christie - Hercule Poirot: The First Cases Guide

Agatha Christie - Hercule Poirot: The First Cases Guide

Solutions for all Mind Maps

Mary Billington

Written by for Guides on 🔎

Poirot is solving mysteries yet again and The First Cases can be a rather confusing game so here's a handy guide for every Mind Map.

Note: this walkthrough includes heavy spoilers so I prefaced it with some tips that may help you complete the Mind Maps on your own.

Agatha Christie - Hercule Poirot: The First Cases Intro screenshot
It's sometimes hard to tell if Poirot is being condescending or not

General Tips

  • There are only connections available to be made if you see a number greater than zero in the top-left icon when on a Mind Map
  • If you quit out of the map, you may see a list of actions; complete these to unlock more nodes
  • Sometimes, you will want to exit the map entirely and an event may occur
  • From time to time, you'll need to talk with someone to find out more information even when there is no ! above their head
  • Most nodes don't intersect but some will which is where this walkthrough comes in handy
  • Look for nodes that end in questions and try to link them to an answer
  • On occasion, you'll have connections to make but it can still be helpful to talk to all available parties before making connections
  • Not all connections have to be made to complete a Mind Map; if you're stuck, try completing other tasks first

With all of that out of the way, let's get to the Mind Map solutions which will be useful if you ever get completely stuck.

Agatha Christie - Hercule Poirot: The First Cases Mind Map screenshot
Don't worry; things get much more complicated than this

Prologue The Bracelet

Investigate the grounds for evidence of an intrusion [Mind Map screenshot]:

  1. Waterlogged patch → Muddy footprints = Footprints from earlier
  2. Side door → Front door = No forced entry
  3. Intruder didn't use the path → Intruder didn't use the lawn = No unlawful access through the garden
  4. Wooden ladder → Open window = No scaled access
  5. No forced entry → No scaled access = No unlawful entry to the house
  6. No unlawful access through the garden → No unlawful entry to the house = Possible inside job

Find out why Cassandra accused Florette so hastily [Mind Map screenshot]:

  1. Strange symbol → Quote on a plaque = Interest in Shakespeare
  2. Interest in Shakespeare → Elizabeth confirmed spare key = Hidden inside a Shakespeare book?
  3. Final demand → Telephone = Financial responsibilities ignored
  4. Missing painting → Auction crate = Selling heirlooms
  5. Financial responsibilities ignored → Selling heirlooms = Cassandra is desperate for money
  6. Cassandra is desperate for money → Valuables are insured

Investigate the crime scene [Mind Map screenshot]:

  1. Broken glass → Unprotected = Angeline replaced the photograph
  2. Personalized handkerchief → Cleaning rag = Insufficient clean-up
  3. Abandoned poker → Open window = Someone forced the window open from inside
  4. Angeline removed soot stain → Fallen soot = Angeline reached into the chimney
  5. Someone forced the window open from inside → Angeline stashed her keepsakes in the chimney = Angeline staged the burglary

Confirm Florette's innocence or guilt [Mind Map screenshot]:

  1. Cassandra became aggressive with Florette → Cassandra previously mistreated Florette = Florette is mistreated by Madame
  2. Abandoned poker → Poker stand = Poker was moved
  3. Collection slip → Address label = Parcel was collected from tailors
  4. Florette was dawdling → Parcel was collected from tailors = Florette was running an errand for Elizabeth
  5. Florette was running an errand for Elizabeth → Cassandra watched Florette after she returned = Florette had no opportunity
  6. Theft fits Cassandra's insurance claim → Florette had no opportunity = Florette was scapegoated
  7. Florette was scapegoated → Florette is mistreated by Madame = Florette is innocent

Uncover Elizabeth's secret [Mind Map screenshot]:

  1. Note from Luc → Bench carving = Elizabeth and Luc are courting
  2. Elizabeth and Luc are courting → Gold band = Elizabeth and Luc are betrothed
  3. Elizabeth and Luc are betrothed → Formal suit = Elizabeth and Luc plan to elope
Agatha Christie - Hercule Poirot: The First Cases Prologue screenshot
Sounds like Poirot should get on Cassandra's good side

Chapter 1 The Blackmail

Locate your room and get settled into your surroundings [Mind Map screenshot]:

  1. Changing screen → Perfume bottles = Room prepared for female guest
  2. Very few staff → Archibald is stressed = Archibald stressed due to lack of staff
  3. Archibald stressed due to lack of staff → Room prepared for female guest = Archibald misdirected me
  4. Locked Dining Room door → Locked Salon door = Rooms for tonight's event
  5. Rooms for tonight's event → Staff are very busy = Staff too busy to assist
  6. Group of saints → Plaques above doors = Seven Saints assigned to rooms
  7. Seven saints assigned to rooms → Guests residing on 1st floor = One door missing
  8. One door missing → Zakariya says family holds a few secrets = House holds many secrets

Find out what happened to Elizabeth, Florette and the Van den Bosch family since you last met [Mind Map screenshot]:

  1. Luc passed away → Elizabeth hasn't been herself = Elizabeth mourns for Luc
  2. Elizabeth upset Florette was dismissed → Elizabeth mourns for Luc = Elizabeth lost loved ones
  3. Angeline mindful of staff → Angeline guilty about dismissal = Angeline is trying to redeem herself
  4. Angeline is trying to redeem herself → Angeline tried to contact Florette = Angeline wanted to help Florette
  5. Tag on vase → Receipt = Family keeping up appearances
  6. Gedeon believes finances are in-order → Family keeping up appearances = Family taking care of money now

Consider the nature of the blackmail letters [Mind Map screenshot]:

  1. Staff concerned for Angeline → Madame unaware of payment = Staff aware of blackmail
  2. House deeds → Blackmailer wishes family to leave the manor = Blackmailer may want the house
  3. Staff aware of blackmail → House holds many secrets = House staff may know blackmail reason
Agatha Christie - Hercule Poirot: The First Cases Chapter 1 screenshot
It's funny that all these characters wear the same thing every day

Chapter 2 The Altercation

Find out about the circumstances surrounding the altercation [Mind Map screenshot]:

  1. Hastily-arranged marriage → Gedeon looking forward to family fortune = Potential financial intentions
  2. Brothers have a history with the Major → The Major doesn't like Gedeon = The Major intended to warn Angeline
  3. Gedeon had one of the Major's cigars → The Major wanted to calm down = Gedeon possibly stole a cigar
  4. The Major views the family as high-class → Differing statuses = Possible status drop
  5. Possible status drop → Potential financial intentions = The Major thinks the Demirs are bad for the family
  6. The Major thinks the Demirs are bad for the family → The Major intended to warn Angeline = The Major disapproves of the wedding

Meet the other guests and uncover their connections to the family [Mind Map screenshot]:

  1. Bottle of alcohol → Zakariya is intoxicated = Zakariya enjoys a drink
  2. Jackie dismisses Hugo argument → Hugo resistant to elaborate = Hugo and Jackie argument seems significant
  3. The Major supports the family → The Major's been around since the Viscount's death = The Major is very close to the family
  4. The Major is very close to the family → Jackie's blackmailer theory = The Major possibly involved in blackmail
  5. Ernesto helped out the family → The Major supports the family = Family still need help
  6. The Major doesn't treat Cassandra well → Margaux protective of Cassandra = Margaux dislikes the Major
  7. Layoffs related to money issues → Family still need help

Find out how staff members may be linked into recent events [Mind Map screenshot]:

  1. Staff photo → Staff rota = Insufficient staff
  2. Staff termination → Insufficient staff = Recent staff layoffs
  3. Family taking care of money now → Recent staff layoffs = Layoffs related to money issues
  4. Staff know family is hiding something → Cassandra dismissive of forbidden areas = Forbidden areas may hold secrets
  5. Forbidden areas of the house → Archibald claims unsatisfactory work = Archibald is hiding something
Agatha Christie - Hercule Poirot: The First Cases Chapter 2 screenshot
Is this why nobody trusts journalists anymore?

Chapter 3 The Major

Determine what happened prior to the Major's murder [Mind Map screenshot]:

  1. Sum of money → Jewellery box = Valuables not taken
  2. Valuables not taken → Second floor window = Not a simple burglary
  3. Damp floor → Remaining ice cubes = Bucket was overturned
  4. Bucket was overturned → Unrepaired = Evidence of a fight
  5. Evidence of a fight → Logical entry point = Killer's entry to the room was unobstructed

Deduce who may be responsible for the Major's death and obtain the murder weapon [Mind Map screenshot]:

  1. Burn mark → Half-smoked cigar = Evidence of smoking
  2. Empty → Unused = No fire source
  3. Evidence of smoking → No fire source = Someone lit the Major's cigar
  4. Killer's entry to the room was unobstructed → Someone lit the Major's cigar = The major knew his killer
  5. Very tidy → Bucket was overturned = Crime scene was compromised
  6. The Major knew his killer → Crime scene was compromised = Killer may still be in the building
  7. Crime scene was compromised → Clean = Poker was cleaned
  8. Moldy logs → Ring of dust = Room not cleaned
  9. Single stab wound → Missing knife = Potential murder weapon

Determine who in the house warrants cautious attention [Mind Map screenshot]:

  1. Margaux protective of Cassandra → Close to Cassandra = Written by Margaux
  2. Hugo's positive work is mentioned → Gedeon is a supporter of the unions = Written by Gedeon
  3. Mention of helping the family → Ernesto supports the family = Possibly written by Ernesto
  4. Love for Cassandra mentioned → Cassandra has multiple admirers = Written by Ernesto
  5. Killer may still be in the building → Multiple guests threatened the major = Guests may be involved
Agatha Christie - Hercule Poirot: The First Cases Chapter 3 screenshot
Poirot likes his fresh air but he's making the place freezing!

Chapter 4 The Interrogations

Interrogate the guests and confirm their alibis [Mind Map screenshot]:

  1. Zakariya saw Gedeon and Margaux → Gedeon saw Margaux and Zakariya = Gedeon and Zakariya confirm each other's alibis
  2. Gedeon saw Margaux and Zakariya → Gedeon was present = Margaux and Gedeon confirm each other's alibis
  3. Argument between Hugo and Jackie → Ernesto was lurking in library = Jackie and Ernesto confirm each other's alibis
  4. Spoke with Jackie and myself → Jackie was talking to Hugo = Jackie and Hugo confirm each other's alibis
  5. Zakariya went missing → Gedeon saw Margaux and Zakariya = Zakariya was briefly missing
  6. Zakariya's absence covered by Archibald → Zakariya was briefly missing = Absent time accounted for by Archibald
  7. Spoke with Jackie and myself → Ernesto was lurking in library = Hugo doesn't mention Ernesto
  8. Hugo saw Ernesto briefly → Argument between Hugo and Jackie = Hugo and Ernesto confirm each other's alibis

Continue your interrogations and determine likely motives [Mind Map screenshot]:

  1. Gedeon feels detached from Zakariya → Zakariya resents Gedeon = Brothers are unlikely to cooperate
  2. Zakariya resents Gedeon → Zakariya is defensive of Gedeon = Zakariya's conflicting attitude
  3. Ernesto and Cassandra's friendship → Cassandra more than a friend to Ernesto = Ernesto's love is a well-kept secret
  4. Hugo claims to have calmed down → Hugo's frustration = Hugo lied about his temper

Reach a conclusion based on what you have learnt so far [Mind Map screenshot]:

  1. Jackie claims Margaux is hiding something → Advice to the Major = Margaux's motive - Protection?
  2. Hugo has dirt on the Major → Jackie wants information from Hugo = Jackie pushing for dirt on the Major
  3. Threat to the Major → Ernesto cares for Cassandra = Ernesto's motive - Jealousy?
  4. Gedeon hesitant to mention past with the Major → Gedeon wrote the letter = Gedeon's motive - Retribution?
  5. Jackie pushing for first on the Major → Jackie bumped heads with the Major = Jackie seems suspicious
  6. Hugo, Erenest, and Jackie confirm each other's alibis → Gedeon, Zakariya and Margaux alibis all confirm each other's = All alibis confirmed
  7. All alibis confirmed → All motives confirmed = All guests are suspicious
  8. Guests have known each other for years → All guests are suspicious = Multiple guests may be responsible
Agatha Christie - Hercule Poirot: The First Cases Chapter 4 screenshot
I guess not all of Poirot's inquiries can result in success

Chapter 5 The Secret

Investigate the Major's involvement with the blackmail [Mind Map screenshot]:

  1. Cassandra believes the Major was the blackmailer → Angeline disputes the Major being the blackmailer = Conflicting opinions
  2. Angeline disputes the Major being the blackmailer → Angeline knew the Major well = Angeline attached to the Major
  3. Zakariya was shocked by the Major's corpse → Zakariya was therapized after the war = Zakariya may have shellshock
  4. Gedeon paid it off → Cassandra wasn't happy with the Major = Relationship ruined by blackmail?
  5. Ransom value → Large sum = The Major paid the blackmail ransom
  6. Angeline attached to the Major → Angeline and Cassandra = The Major cared about Cassandra and Angeline
  7. Cassandra and the Major's relationship issues → The Major cared about Cassandra and Angeline = The Major faked the blackmail?
  8. The Major paid the blackmail ransom → The Major faked the blackmail? = The Major is innocent

Investigate the Major's relationship with the family [Mind Map screenshot]:

  1. High interest rate → The Major resided with the family for a long time = The Major depends on Cassandra's accommodation
  2. Angeline and Cassandra → Cassandra claims the Major didn't love her = The Major cared about Cassandra
  3. Cassandra has no romantic feelings towards the Major → The Major hasn't helped the house financially = Cassandra cared about the Major
Agatha Christie - Hercule Poirot: The First Cases Chapter 5 screenshot
Poirot needs to learn that it's usually the person you least suspect

Chapter 6 The Search

Search the guest rooms for evidence of possible collusion:

  1. Jackie thinks Hugo was slow to react → Scrapped paper = Jackie unlikely to collaborate with Hugo
  2. Photo of Gedeon and Zakariya → Zakariya is hesitant to reconcile with Gedeon = Demir brothers unlikely to collaborate
  3. Jackie unlikely to collaborate with Hugo → Hugo's notebook = Hugo may collude with Ernesto
  4. Hugo may collude with Ernesto → Partially-signed contract = Hugo and Ernesto seem unlikely to collude
  5. Ernesto employed a servant from the Women's Shelter → Hugo and Ernesto seem unlikely to collude = Ernesto may have asked Margaux for help
  6. Archibald allowed Margaux to check the body → Margaux approached Ernesto to offer help = Margaux has links to several staff members

Uncover Inge's involvement in recent affairs:

  1. Inge previously prosecuted → Inge is following Margaux's orders = Inge is assisting with thefts
  2. Inge is assisting with thefts → Archibald lost his key copy = Inge stole Archibald's key
  3. Inge accessed the safe → Inge stole Archibald's key = Inge is trying to uncover secrets
  4. Inge knows of the hidden room → Inge is trying to uncover secrets = Van de Bosch secrets may be in the hidden room

Investigate the blackmail [Mind Map screenshot]:

  1. Inge got the job from Margaux → Ernesto employed a servant from the Women's Shelter = Margaux has a network of helpers
  2. Margaux has links to several staff members → Van de Bosch secrets may be in the hidden room
Agatha Christie - Hercule Poirot: The First Cases Chapter 6 screenshot
I have a feeling that Poirot will get chubbier either way

Chapter 7 The Family

Dig deeper into Archibald and Rehana's suspicious actions [Mind Map screenshot]:

  1. Rehana claims she took ice to the Major → Archibald staged the phone call = Staff covering for the real time of death
  2. The Major's coat → Hugo saw the Major outside = Someone else wore Majors coat
  3. Rehana unsure about timings → Archibald forgot he took whiskey to the Major = Archibald and Rehana unsure of their stories
  4. Staff covering for the real time of death → Archibald and Rehana unsure of their stories = Archibald and Rehana fabricated the story
  5. Worn-out boots → Madame pays the staff very little = Staff member's boots
  6. Someone else wore Majors coat → Staff member's boots = A staff member impersonated the Major
  7. A staff member impersonated the Major → Archibald and Rehana fabricated the story = Staff are hiding the truth
  8. Staff may be involved in the murder → Staff are hiding the truth = Staff are involved in the murder

Conclude each staff member's association to the murder [Mind Map screenshot]:

  1. Elizabeth mourns for Luc → Rehana distraught Luc passed away = Elizabeth and Rehana both grieve for Luc
  2. Elizabeth looked white coming downstairs → Staff are involved in the murder = Elizabeth found the body
  3. Elizabeth found the body → Rehana helped Elizabeth after coming downstairs = Rehana wasn't seen after Elizabeth found the corpse
  4. Rehana wasn't seen after Elizabeth found the corpse → A staff member impersonated the Major = Rehana was covering for Elizabeth
  5. Inge feels disconnected from her peers → Staff are involved in the murder = Inge not involved in the murder
  6. Rehana wasn't seen after Elizabeth found the corpse → Archibald staged the phone call = Archibald was covering for a staff member
  7. Elizabeth found the body → Archibald was covering for a staff member = Archibald staged the phone call to cover for Elizabeth

Investigate the murder [Mind Map screenshot]:

  1. Archibald staged the phone call to cover for Elizabeth → Rehana was covering for Elizabeth
Agatha Christie - Hercule Poirot: The First Cases Chapter 7 screenshot
What the heck happened to Elizabeth's pupils?

Chapter 8 The Truth

Investigate Archibald's suspicious behaviour:

  1. Detached saint carving → Van de Bosch secrets may be in the hidden room = Secret room accessible within Storage room?
  2. Secret room accessible within Storage room? → Archibald hid items related to the murder = Archibald hid items in secret room
  3. Bloods stains → Potential murder weapon = The Major's knife is the murder weapon
  4. Unrecognisable symbol → Rose engraving = Military lighter
  5. Military lighter → The Major's lighter = Lighter from garden wasn't the Major's
  6. Archibald was in the garden → Open window = Archibald collected something dropped from the window
  7. Archibald collected something dropped from the window → The Major's knife is the murder weapon = Archibald dropped the knife out the window

Determine Why Elizabeth killed the Major [Mind Map screenshot]:

  1. The Major was in a bad financial state → The Major is not receiving a pension = The Major was desperate for a well-paid job
  2. The Major paid the blackmail ransom → The Major killed prisoners of war = Major was being blackmailed over war crimes
  3. Ernesto paid the Major well for his support → The Major was desperate for a well-paid job = The Major needed to ensure the job was done
  4. The Major needed to ensure the job was done → Security attacked first = The Major ordered the attack at the strikes
  5. Luc died at the factory strike → The Major ordered the attack at the strikes = The Major's orders led to Luc's death
  6. The Major's orders led to Luc's death → Elizabeth is the murderer = Elizabeth was possibly seeking revenge

Investigate the murder:

  1. Defensive strike → Elizabeth stabbed the Major when he wouldn't let her go
Agatha Christie - Hercule Poirot: The First Cases Chapter 8 screenshot
Never trust a man in a purple hat
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Which amiibo Are You?

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