1933. Hercule Poirot, older and greyer, receives letters threatening murder. The sender signs themselves only as “A.B.C.” When he takes the letters to the police looking for help, Hercule finds all his old friends have moved on. But soon there is a murder and the once-great detective must take matters into his own hands.
1 Season
StatusEnded
First Aired2018-12-26
Last Aired2018-12-28
MusicIsobel Waller-Bridge
NetworkBBC One
Seasons1
Episodes3
Where to Watch
Stream
Streaming availability for US region, via JustWatch.
