El hombre que las enamora (1944)

Fernando Galán is a rich widowed man with a handsome son, Eduardo. Four times he has been engaged to a younger woman, but marriage fails as soon as they meet Eduardo. This time both father and son plan a different strategy : Eduardo pretends he is traveling abroad so his father will have freedom; and the father, in turn, gets engaged to a girl he purposely wants to leave alone with his son.