House Un-American Activities Committee investigators Jim McLain and Mal Baxter come to post war Hawaii to track Communist Party activities even though belonging to the party was legal at the time. They are interested in everything from insurance fraud to the sabotage of a U.S. naval vessel.

• Wayne-Fellows Productions
• Warner Bros. Pictures
• John Wayne
• Nancy Olson
• James Arness
• Alan Napier
• Veda Ann Borg
• Hans Conried
• Hal Baylor
• Gayne Whitman