Pasiphae lays siege to Atlantis and without the Palladium to protect it, the city looks set to fall. The last remaining hope rests with Jason, Hercules and Pythagoras, but far from home they are fighting a desperate battle of their own. As the conflict reaches its thrilling climax, nothing could have prepared Hercules for what he discovers - it throws into doubt everything he once knew to be true and is set to change the course of the future forever.