Boston Detective D. D. Warren cannot remember how she was attacked while walking the murder scene after dark. She is later told she managed to discharge her weapon three times. All she knows is that she is seriously injured, unable to move her left arm, unable to return to work. Six weeks later, a second woman is discovered murdered in her own bed. The only person who may have seen the killer is Detective D. D. Warren, who still cannot recall a single...

Portland detective Archie Sheridan thinks he can finally rest when Beauty Killer Gretchen Lowell is locked away behind bars once again; when the medical examiner discovers that victims of drownings turn out to be poisonings, Portland has a new serial killer on its hands.