In 1933, retired detective Hercule Poirot is targeted by a taunting killer who sends letters signed "ABC", which Poirot must decode in order to discover the identity of the murderer.
Episodes
Season 2 - Episodes
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S02E01Episode #1.1
Aired: 1 May 2019
Show details expand_moreIn 1933, retired detective Hercule Poirot starts to receive threatening letters signed "ABC". When he informs Scotland Yard, they ignore his fears, and soon enough, a series of killings begins.