The Gods took power the Titans and enthroned on Olympus. The Titan was dissatisfied with the reign of the Gods. Hyperion (Mickey Rourke) is one of the Titan who want to take power from the Gods.
With weapons and soldiers that he had, Hyperion unbeatable. Hyperion also targeting Epirus arc that can give power for its owner to grow stronger.
Together with his army, Hyperion explore the entire Greek to get this magic bow. Many lives are victims because searching Epirus arc by Hyperion. One of the victims of Hyperion is mother of Theseus (Henry Cavill). Now, Theseus is determined to get revenge and hunt Hyperion.
Theseus is not alone. There is a woman preacher named Phaedra (Freida Pinto) and a slave named Stavros (Stephen Dorff) who helps him to fight against Hyperion.