A mysterious assassin has taken justice into his own hands, systematically murdering prominent targets across the city. The suspect pool includes politically explosive figures: a sitting U.S. senator, an Iranian diplomat, and a priest seeking revenge.This volatile case falls to seasoned FBI agent Jaid Marlowe, who finds herself partnered with Adam Raiker—a former colleague with whom she shares a painful history. Though determined to leave their past behind them, they're thrust into the most shocking case of their careers.

When evidence points to Adam as a potential suspect, Jaid faces an agonizing decision between loyalty and duty. Her choice draws them into a vast conspiracy involving powerful figures, forcing them to flee dangerous enemies and deadly secrets. With their lives at stake and nowhere else to turn, these former lovers must rely on each other and hope that their rekindled connection can help them survive.