Una chica casi decente (1971)

César Martín, better known as El Duque, is a friendly and cunning con man who at first wants his daughter Silvia to be a decent person. However, he does not hesitate to involve her in a scam of hers, in which Silvia must hire Daniel, a young and handsome actor, to conquer a millionaire woman and benefit from her money. Everything gets complicated and in the end El Duque surrenders to the police to save his daughter.