A sadistic serial killer the press calls the Ripper's Daughter is stalking the streets of Boston. The victims are seemingly random, but each is horribly mutilated and left to die in the open with their mouths glued shut. Colby Willis, a burnt out police detective haunted by her failure to prevent the murder of her mentor, Marty Walsh, drowns her days in Jack. Suffering from unexplained seizures and black outs, Colby is soon forced to confront Jessie Walsh, the daughter of her mentor and the woman she loved and betrayed. Locked away in a mental asylum and forgotten, Jessie holds the key to the killer's identity. Can Colby figure out what she's forgotten in time to save Jessie and herself or will she become the next victim?