Abel and Asta plan to plead Ion's case to the Imperial Council, and Ion and Esther search the city for answers. But when their trail leads to further intrigue, betrayal comes from beyond the grave.

While Esther recovers from her injuries with the help of the enigmatic child Seth, Ion is stunned to find himself face to face with Radu.

Ion and Esther find themselves unwitting pawns in an elaborate plot to murder the Empress. As treachery emerges from shadow, so does a ghost from Ester's past.

Esther and Ion are freed from prison, and the true identity of the Empress is revealed. When she joins Abel in battle against Dietrich, secrets of the past come to light.