Hercules is finally a happy family man with his wife Deianeira, two young sons Aeson and Clonus, daughter Ilea and in-living centaur Nessus. When a trickster lures men to fight -using a fake- Eryx the Boxer, they are slain, so Hercules is called and slays the giant, but to Zeus' disappointment loses his temper when Hera shows by a peacock feather to be behind it again, and wrecks her temple. Nessus grumbles he's tired of the Herc-idolatry. The next call for help is made by Iole, from a city where people are killed by the fume from an entrance to the underworld which opened the earth there. He goes, but when an old woman recognizes the pendant the messenger gave Deianeira, saying it proves she belongs to maidens trained so well in the art of seduction they can get any man in their power, she finally believes jealous Nessus' warnings not to trust her with Hercules; they catch up with him, but he convinces her to trust him, then Nessus tries to rape her and dies cursing Hera's failure to...