The Society of the Black Dragons sends Bela Lugosi (Dr. Melcher) to transform 6 japanese into indentical likenesses of American industrialists forming a 5th column. This is at the behest of the Nazis.
Nick Allen comes to the rescue when a gun moll Jo Elliot gets hassled on the street. Spudsy, Red and Jo take it on the lam and Nick ends up going along. They get stranded because of car trouble and end up staying with old, blind Pop Regan. After weeks with Pop Regan, all of them seem to like the rural lifestyle better and start to think about going straight.
A prosecuting attorney treats every homicide case as first degree murder and uses miniature replicas of human skulls to tally the death sentences that he garners. Then he himself is beset by the urge to murder.
An actor is killed during the performance of a play and critic Tony Woolrich (Dave O’Brien) undertakes to solve the crime. Claudia Moore (Kay Aldridge, in her last movie role), the girl he loves, is suspected, but when two more deaths occur, she is also threatened by the Phantom Killer.