Regresa un desconocido (1961)

Juan Valdés, manager of a company, plays a game of cards with a group of people he has met at a cabaret. Realizing that one of them is cheating, he fights with the man and unwittingly kills him. To cope with such a situation, he is forced to embezzle his company, but he is discovered. When, after three years in prison, he comes out and discovers that he was the victim of a scam, he sets out to take revenge on those who ruined his life.