Billy, dos veces hijo (1933)

Medical intern Robert Morley is distraught after his wife dies in childbirth. He's resentful of his new son and wants nothing to do with him. He leaves the child with his aunt and uncle and heads off to Europe to pursue his medical studies. Morley returns to his hometown six years later, now a successful doctor and engaged to be married to a beautiful socialite. He also feels differently about the boy and attempts to gain custody from his aunt and uncle.