The world pushed to the brink.A shadowy leader revealed.As the fate of humanity rests on the shoulders of three souls.It has been two years since the events in a French manor ripped Julius Godom's mind apart, sending him into a catatonic state. As he recovers under the watchful eye of Rhona Masterson in London, Julius must come to grips with his lost path and reforge a shattered mind. As healer and counselor to Julius, Rhona comes to understand the power of her own faith, and what part she has yet to play. Lyra Dubois sits in the seat of power, but as shadowy forces swirl around the Poisoned Heart, the young master assassin realizes her own shadow is no longer safe.When the mastermind of the Idol search is revealed, the three disparate paths must come together.

Spirited across the Atlantic by the R.M.S. Olympic, the three make their way back to America, all in hopes of fighting off the terror which rises from the watery depths.