"A former detective confronts the serial killer who got away....and the woman who broke his heart. In 1985, Peterson Chace was the lead investigator for the Moonstone Murderer Case, a serial killer that held the City by the Bay hostage to fear. Moonstone eluded capture and escaped justice in a brutal confrontation on the Golden Gate Bridge, leading Chace into a breakdown and forcing his resignation from the police department. Three years later, with a new career as a mystery novelist, Chace is drawn back in to the world he left when Moonstone reappears, slaughtering seemingly random victims and holding the city in a grip of terror. As the case progresses, Chace finds himself dealing with Mayor Sarah Westin, an ADA in the original case and the one woman in his life Chace finds haunting his memory. In a shattering climas deep in the darkness of San Francisco, Chace confronts his demons once and for all, and learns that sometimes the second chance is the one that counts...."