The ABC Murders
2018| 1 season| IMDb 6.5
Watch The ABC Murders (2018) for free in the UK on BBC iPlayer. Last updated 1 May 2026.
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 in order to have any hope of catching the killer, the once-great detective must take matters into his own hands.
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