An undercover operation. Dark, deadly secrets. No one to trust. Brielle Morales still can't look at herself in the mirror. After the fallout from General Arbuckle's attack on the Academy of Peculiars and subsequent death, she is forced to come to terms with the fact that her choices nearly got her friends killed. She doesn't deserve redemption but when the AckPec dean offers it to her, she jumps at the chance. From this point forward, Brielle is a Seeker, an undercover spy at Arbuckle's own peculiar education facility, Zodiac Academy. Rumor has it that peculiars are being experimented on without their consent, and Brielle - along with Ellie Moyer - enrolls in the academy in order to discover the truth. As she starts to unravel the twisted secrets of Zodiac Academy, Brielle realizes that even her supposed allies are untrustworthy. Not even Ellie's gorgeous twin brother, Tom, is being completely truthful with her. Brielle has no choice then to trust in who she is, flaws and all, if she's ever going to figure out what's really going on at Zodiac Academy.