In the conclusion of a two-part story, the evil Callisto (Hudson Leick) has traveled back in time to prevent the birth of Hercules (Kevin Sorbo) by murdering the hero's future mother Alcmene (Kim Michalis). To prevent this, Hercules' friend Iolaus (Michael Hurst) likewise ventures "forward into the past." Meanwhile, Hercules and his despotic parallel-dimension lookalike, the Sovereign (also Kevin Sorbo), are trapped in the netherworld. Even if Hercules manages to escape, how will he bring Iolaus back to the present?