Desc: Serenata tragica (Guapparia): Directed by Giuseppe Guarino. With Folco Lulli, Carlo Giustini, Mirella Uberti, Laura Gore. Two business associates are in love with the same woman. One of them wrongly accuses the other of being a drug pusher and wins the girl's love. He is then murdered and his former friend, just out of the jail, is the main suspect. Will he be able to prove his innocence?