Eight months after Tristan sacrificed his identity to save the woman he loves, he's trapped in a life he never wanted, with deadly threats closing in on all sides. Emmeline, the woman he was programmed to care for, is spiraling into instability, growing more dependent on him with each passing day. Meanwhile, the ruthless head of the Council, Fang, will stop at nothing to destroy anyone who threatens her power-especially Tristan.

To honor the man she loves, Samara has thrown herself into leading the Resistance's brutal offensive against the Council. But always, one goal consumes her: saving Tristan. When an unexpected opportunity arises, Samara will risk everything-her heart, her life, and the future of the Resistance-on a deadly gamble.

Desperate to keep his promise, Wyatt has worked tirelessly to restore Tristan's memories. But with Fang out for Tristan's blood, time is running out. To save him, Wyatt must forge an unthinkable alliance with someone he loathes or risk losing the only person he loves.