Suspicion (1941)

Johnnie Aysgarth is a handsome gambler who seems to live by borrowing money from friends. He meets shy Lina McLaidlaw on a train while trying to travel in a first-class car with a third-class ticket. He begins to court Lina, and before long, they are married. It is only after the honeymoon that she discovers his true character, and she starts to become suspicious when Johnnie's friend and business partner, Beaky, is mysteriously killed.