The Postman Always Rings Twice (1946)

Frank Chambers (John Garfield) is a drifter who stops at a rural diner for a meal, and ends up working there. The diner is operated by a beautiful young woman, Cora Smith (Lana Turner), and her much older husband, Nick (Cecil Kellaway). Frank and Cora start to have an affair soon after they meet. Cora is tired of her situation, married to a man she does not love, and working at a diner that she wishes to own. She and Frank scheme to murder Nick in order to start a new life together without her losing the diner. Their first attempt at the murder is a failure, but they eventually succeed…