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.
as Hercule Poirot
as Inspector Crome
as Cust
as Franklin Clarke
as Megan Barnard
as Lady Hermoine Clarke
as Lily Marbury
as Thora Grey
as Beautiful Young Man
as Betty Barnard
as Capstick
as Donald Fraser
as Rose Marbury
