il bacio di una morta (1949)

believing that the man he loves died dead, clara marries a count who has a mistress who urges him to kill her. her husband poisons her, but she, who is alone in trance, returns to life when her ancient love, which he is alive and well, he joins her to give her the last kiss. the count will regret his misdeeds, while the two young people will live happily.