A former intelligence officer (Alan Ladd) returns to post-WWII Italy to find the traitor who divulged a secret OSS mission to the Nazis, resulting in the deaths of his men and the Italian resistance fighter (Wanda Hendrix) he loved. Shocked to learn she is alive and married to a local nobleman, Ladd undertakes a deadly quest to learn the truth. Exotic suspenser, which also marked the Oscar-winning debut of song "Mona Lisa," co-stars Francis Lederer, Joseph Calleia. 83 min. Standard; Soundtrack: English Dolby Digital stereo.