Watch Series: The ABC Murders Released in (2018) - Season 1 produced by UK, USA, The TV Series categorized in Crime, Drama, Mystery, Thriller, and content rating TV-14 with duration 60 min broadcasted as these networks BBC One, Streamed at Putlocker 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. - Season 1