An undercover Army captain links missing gold and murder to a gambler's ghost.

Ship engineer Jim Taggert is rescued from a torpedoed tramp steamer by Joe Morgan, an American gangster that found New York too hot for him, and has become a fisherman operating from an out-of-the-way island off of the coast of South America. Morgan makes his headquarters at the Halfway House run by the parents of Maria Styx as a bar and dance resort catering to the planters and traders of the island. Taggert finds himself practically a prisoner along with a group of American girls acting as entertainers at the resort. Taggert shadows Morgan in his activities in a remote cove and finds that Morgan is supplying German U-boat commanders with torpedoes, but does not know that Morgan has rigged the torpedoes with clock devices that explode when at sea and sinks the U-boats.

A crusading district attorney tries to stop a local mob boss who has connections in high places.

Set in the shadows of wartime Paris, this 1940s drama directed by Albert Herman stars Lola Lane, Noel Madison and Howard Banks. When a Soviet secret agent discovers her uncanny resemblance to a dead Nazi spy, she infiltrates the enemy and works to save U.S. ships from German submarines. Assisting her on her mission are French underground agents, along with an American serving in the British armed forces.