HP
Hercule Poirot
Testing whether the obvious suspect could have designed the entire scheme.
COMPLETE BBC SERIES GUIDE · EPISODE 3 OF 3
THE ABC MURDERS
Episode 3
The setup
The mistake at Doncaster has disrupted the alphabetical sequence. Poirot searches for a personal connection behind the letters while Cust struggles to account for his movements.
OPTIONAL REFERENCECharacters, places and useful termsContains story details. Open after watching.
QUICK REMINDER
7 peopleThe only names you need
IC
Inspector Crome
Holding a suspect against whom the physical evidence appears overwhelming.
ABC
Alexander Bonaparte Cust
A seriously ill salesman whose brain tumour causes headaches, seizures and blackouts.
FC
Franklin Clarke
Sir Carmichael's brother and a prominent member of the victims' group.
TG
Thora Grey
Sir Carmichael's secretary, whose future affected the Clarke family.
MB
Megan Barnard
Helping Poirot look beyond the simple alphabetical explanation.
LM
Lily Marbury
Cust's landlady's daughter, who knows his ordinary behaviour.
WHILE WATCHING
Recap as you go
Open only the last scene you have reached.
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AFTER WATCHING
Key story points
Hidden until you finish the episode.
Content note: Murder, violence, blood, trauma, racism and distressing themes.