Salmoneus is set up with treasure stolen from Hera. When Hercules convinces Nemesis that Salmoneus is innocent, Hera sends a deadly creature of fire to eliminate all three of them.

Hercules and Iolaus fall in with fellow traveler Typhon, a gentle and friendly giant. They are astounded to discover he is married to Echidna, the Mother of All Monsters.

Hercules has an uphill battle when he goes after King Sisyphus, who's tricked a young man into taking his place in the underworld.