An Egyptian princess travel to Greece to ask Hercules to find an old, walking, dangerous mummy who is being exhibited in Salmoneus' "House of Horrors".

Iolaus will remain forever in the afterlife unless Hercules makes good on his deal with the god of the underworld to destroy Hera's latest assassin.

Hercules helps the monster Echidna and the giant Typhon find their kidnapped child.