Ex-gangster Johnny Allegro (George Raft) makes the acquaintance of the beautiful Glenda Chapman (Nina Foch) when he helps her out of a tight spot. As a result, a Government agent persuades Allegro to exploit his new contact to go undercover and infiltrate a crime ring led by Glenda's husband, Morgan Vallin (George Macready, Gilda). Allegro achieves his objective, arriving at an island owned by Vallin, but realizes quickly that Vallin is
