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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.
First Air Date : Dec 26, 2018
Last Air date : Dec 28, 2018
Episode : 3 Episode
Season : 1 Season
Runtime: 60 minutes
Studio: BBC One
Country: United Kingdom, United States of America
