Wren and Rose rule the kingdom of Eana. But an ancient, powerful enemy moves in the shadows. Oonagh, the twins' evil undead ancestor, is creating a terrifying army and she is determined to fight for the throne. Rose must gather support from the four corners of the kingdom whilst she wrestles with what the future holds for her and her beloved Shen. Meanwhile, Wren and Alarik set out to destroy the curse that both unites and weakens them. Caught between the King of Gevra and his Captain of the Guard, Tor, Wren must decide where her heart truly lies. When Oonagh's true plans are revealed and Rose's life hangs in the balance, the stage for the final battle is set. Sacrifices will be made, blood will be spilled. Who will survive to rule the kingdom of Eana?