The Stranger Came Home (aka The Unholy Four) (1954) - Trailer

A man on a fishing trip with three of his friends receives a blow to the head that makes him lose his memory. Three years later it all comes back to him, but on the day it does one of the men who was on the trip with him turns up dead. Directed by Terence Fisher Written by Leigh Brackett (novel), George Sanders (novel) and Michael Carreras. Starring Paulette Goddard, William Sylvester and Patrick Holt.