The Unseen Enemy in this wartime meller is Nick (Leo Carrillo), the outwardly effusive manager of a San Francisco waterfront café. To make enough money to ensure his daughter Gen's (Irene Hervey) entree into society, Nick sells his services to a gang of foreign spies, who then use Nick's establishment as a rendezvous point. The plan is to covertly send out a Japanese vessel for the purpose of raiding and destroying American merchant ships. The spies' secret code is hidden in the lyrics of a song called "Lydia", which the unwitting Gen performs on request day after day.

Three American soldiers help a young girl deliver a secret message across enemy lines.

From the director of Cabinet of Dr. Caligari, this is the Passion embedded in a contemporary story. An anarchist jailed for an attempted assassination is told the Passion story by the prison chaplain.

Racketeers muscle in on construction business, use inferior materials, make big profits and endanger the public safety.

The Army takes a bandleader (Kay Kyser) away from his bride (Ellen Drew) and sends him on a spy mission with a woman (Jane Wyman).

Suspecting that a safari guide is a wanted killer, undercover policeman Geoffrey Bishop (Richard Fraser) joins a safari led by the suspect for a scientist that hopes to find and prove that a fabled white gorilla is a missing link.

Stranded in Africa, Chuck and his pal Fearless have comic versions of jungle adventures, featuring two attractive con-women.

Bandleader/singer/songwriter Ted Barry arrives to heaven. The receptionist tells him that before he can take his place in the Hall of Music, a committee must review his work and decide whether he is worthy of admittance.