A behind the times Chicago bootlegger goes to England with his lawyer to claim his estate as the Earl of Gorley.

Soon after thumbing a ride from a truck driver, Johnny McBride is badly burned and suffers from complete amnesia when the vehicle he’s riding in blows a tire and goes over an embankment in a fiery blaze. McBride later receives a tip from an acquaintance that a photo of him was placed prominently in the window of a photography studio in a town called Lyncastle, so Johnny immediately leaves for the burg in the hopes that something there will jog his memory.

American racketeer Jimmie Dean travels to England, where he assumes the identity of a Canadian whom he has been falsely accused of murdering. Jimmie is then forced to join the British army in the dead man's place. He falls in love with the Canadian's childhood playmate, Sally Briggs, and becomes a hero after saving an isolated English colony in China.