My Wife's Husband (1962)

By closing his pharmacy, Panagiotis Panagiotidis falls on a provocative stranger, Lulu, who leads him to a beach for swimming and then drives him home. There, he learns that he is called Jordan Steka, that Lulu is his wife and that he suffers from a personality split. He asks for police assistance, but the policeman is convinced that he is crazy and he asks for a psychiatrist to prove him suffering from a personality split.