Prior to a city council election, the collapse of a building leaves a land developer and his political backers defending themselves against a scandal.
En route to Thebes for an important diplomatic mission, Hercules drinks from a magic spring and loses his memory. He spends most of the movie in the pleasure gardens of Queen Omphale of Lydia. While young Ulysses tries to help him regain his memory, political tensions escalate in Thebes, and Hercules' new wife Iole finds herself in mortal danger.
In the 9th Century, two Viking children, separated since their early childhood with one raised by the British and the other by Vikings, meet after nearly 20 years as rivals as war breaks out between Britian and the Vikings for control of England.
