A Martinique charter boat skipper gets mixed up with the underground French resistance operatives during WWII.
A girl is engaged to the local richman, but meanwhile she has dreams about the legendary pirate Macoco. A traveling singer falls in love with her and to impress her he poses as the pirate.
Laura Mansfield catches a glimpse of mob hit man Jackie Wales after he shoots her businessman father. At the police station, Laura identifies Jackie as the murderer, but the policeman in charge of the case, Lt. Brewster, lets him go, citing a lack of corroborating evidence. Outraged, Laura worms her way into the unsuspecting Jackie's heart, trying to snare him and mob-connected club owner Armitage in her trap.
