James Wong investigates the murder of a man who came to visit. He was the head of a chemical company. This leads Wong into an investigation of an international spy ring that wants to steal a formula for poison gas.
The Great Flamarion is an arrogant, friendless, sideshow marksman who displays his trick gunshot act in the vaudeville circuit. He falls in love with the magicians assistant. She tries to get him to kill her husband.
Albert Frédéric, earlier in life, caused a murder and made it look like an accident for financial gain.
A piano player, Al (Neal), sets off hitchhiking his way to California to be with his girl. Along the way, a stranger in a convertible gives him a ride. While driving, Al stops to put the top up during a rainstorm. He discovers that the owner of the car has died in his sleep…