Helpless to save his family from Hades (Fiennes), vengeful god of the underworld, Perseus volunteers to lead a dangerous mission to defeat Hades before he can seize power from Zeus (Neeson) and unleash hell on earth. Leading a daring band of warriors, Perseus sets off on a perilous journey deep into forbidden worlds. Battling unholy demons and fearsome beasts, he will only survive if he can accept his power as a god, defy his fate, and create his own destiny.