A French PR man and his girlfriend steal a lottery ticket from twin trapeze artists, prompting murder.
An escaped World War 2 Nazi doctor impersonates a murdered English doctor so he can work on a vaccination to protect the Germans in their planned germ warfare.
The tangled affairs of George, Prince of Wales, leading to his illegal marriage to commoner Mrs. Fitzherbert. Also portrayed is the conflict between the future George IV and his father George III.