After three years of training, fighting battles, forming bonds, and integrating into the spiritkeeper society, Cassie is finally ready to take on the Preservers as the revolution reaches its full potential. However, the battle is not the only subject on everyone's minds. Lillian is anxious to get enlightened, Conny feels his duties are calling him elsewhere, and an unexpected reunion is sure to send the cabin into disarray. In this final novel of the Spirit Guardians saga, ideals clash, loyalties are tested, and futures are wished upon, all while the Preservers quietly wait for the battle to begin. Will the rebels succeed, and if so, what sacrifices will they have to make to get there?