A man in London tries to help a counter-espionage agent, but when the agent is killed and the man stands accused, he must go on the run to save himself and stop a spy ring that is trying to steal top-secret information.
A sly business manager and the wacky friends of two opera singers in Italy help them achieve success in America while humiliating their stuffy and snobbish enemies.
Mary Shelley reveals the main characters of her novel survived: Baron Henry Frankenstein, goaded by an even madder scientist, builds his monster a mate.