The Alfred Hitchcock Hour - Season 3 Episode 6 : Lonely Place 1965

Stella is married to a cowardly peach-farmer named Emory and takes in a passing hobo named Jesse. She hires him to help her husband harvest the peach crop. Unfortunately, Jesse's strange behavior and fascination with a knife he carries begins to frightens her. Emory, however, refuses to believe her. Stella tries to run away, but is caught by Jesse. He threatens to stab her, but she fights him off. She escapes in her husbands truck and heads home. There she awaken Emory and tells him about Jesse. Emory, however, confesses that he heard her screams, but was too afraid to do anything. Stella angrily stabs her husband and kills him. She then calls the police and blames the murder on the fleeing Jesse.