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.

As plans progress for the royal wedding, Ariadne must undertake a journey to Telemon's homeland of Aegina. With the kingdom still beset by Colcheans, Jason is not the only one who fears for the queen's safety.

Determined to do what is best for her people, Ariadne continues regardless. But as the voyage progresses, it becomes clear that the royal retinue faces enemies at every turn. Has the young queen's luck finally run out?