After the attack on Koda’s life, she and her team discover the only clue to her father’s identity points to St. Louis, a city destroyed by Threats ten years ago. With little choice, the team ventures to the ruined city. When one clue leads to another, Koda soon finds herself journeying to a part of the world she’d never expected to venture: Raven’s home. When decade old secrets are revealed, even Raven’s world is rocked by the information, and he’ll stop at nothing to protect his trainee. As she struggles to understand her role in this new world, Koda is forced to navigate vamlure dating customs and complicated politics. And if that wasn’t enough, Koda must decipher the growing feelings she has for her trainer. As puzzle pieces begin to fall into place, and even more secrets are revealed, Koda discovers a terrifying truth behind the continued attacks on her life. Will it spell the end of her team and the world along with them?