In occupied Berlin, an army captain is torn between an ex-Nazi café singer and the US congresswoman investigating her.

Posing as an ex-German medical officer, a U. S. Navy Intelligence Officer sets out to rescue a kidnapped scientist, and sink a Nazi submarine, hiding off the coast of South America.

After exposure to radiation, an atomic research scientist finds himself changing into a murderous, lizard-like creature every time he is exposed to sunlight.

An ambitious coal miner is talked into becoming a boxer by his gambler brother.