Jessie returned the missing artifact and now her loved ones are safe. But for this she had to pay a high price and learn the shocking truth about her brother Caleb, who was considered dead. A threat loomed over the residents of New York and the world of fairies. Jessie goes to the insidious creatures to face the dangers and trials that lurk in the Unseelie Court. The balance of energy in both worlds is disrupted, and the girl needs to figure out how to restore the barrier. When the Seelie and the Unseelie unite, the secrets are revealed, Jesse will make her final move, the queen's move. But will this be enough to survive the final battle in this deadly game?