Eris, the goddess of chaos, uses the body of Elien, Hyoga's friend, to revive herself. She obtains the Golden Apple of Discord in order to drain Athena's power, make herself complete and bring chaos to the world.
The Greek gods are real and are still fighting each other in the present. Eris, the goddess of chaos, possesses young Star Children Academy employee and Hyoga's love interest Eri, to revive herself. Her plan is simple - get the Golden Apple of Discord, use it to drain the goddess Athena of her immense power and bring chaos to the world by resurrecting five evil godlike Ghost Saints to ally with her. Hyoga and his friends, Athena's mighty warriors known as Bronze Saints, who wield magic and use technology, must stop her.