 Hercules stumbles on the n-th battle between Spartans and Eleans. When he helps battered but unbridled cocky Spartan warrior Damon home, his aunt turns out to be an old acquaintance of mythical strength in her own right, Atalanta, who complains his excessive battle courage equals a death-wish. Hercules comes up with an alternative for the battle field as field of honor, Olympic style games, and gets the leaders to agree, but the cruel Elean commander Tarkon calls upon war god Ares who turns four of his man literally into monsters...