Upon his return from fight in the previous movie, the fantastic warrior Hercules learns that his enthusiast, Daianara, has actually shed her senses. Acording of the oracle Medea, Dianara's only hope is the Rock of Lapse of memory which exists deep in the realm of Hades. Hercules, with two companions, Theseus and also Telemachus, starts a harmful mission for the stone, while he is unaware that Dianara's guardian, King Lico, is the one in charge of her condition and plots to have the woman for himself as his bride upon her revival.