In czarist Russia, a neurotic soldier and his distant cousin formulate a plot to assassinate Napoleon.
Tom Canty is a poor English boy who bears a remarkable resemblance to Edward, Prince of Wales and son of King Henry VIII. The two boys meet and decide to play a joke on the court by dressing in each other's clothes, but the plan goes awry when they are separated and each must live the other's life.
Prophetic nightmares precede a family's confrontation with an evil, unseen force.
