Ten years ago, when Eve Townsend was seventeen years old, Tightrope killed her family and took her younger sister, Maddie. Eve was left alive - the only survivor. After inheriting her family's fortune, Eve has dedicated her life to tracking down Tightrope, training her body and mind, honing her skills, using every resource at her disposal to hunt down Tightrope ... and others like him. The latest clue in Tightrope's twisted game brings Eve to Washington, D.C., where middle-aged men have been abducted, held for a week, then dumped after being boiled alive. Eve teams up once again with Special Agent Parker, who has pulled strings to get her on the team as a consultant. But Eve has her own way of investigating. And she must work quickly because the latest victim of the Boiler is the brother of Agent Darren Cady - Agent Parker's FBI partner. Was he taken to get Eve there? Will the next clue be there when she finds him? Follow Eve on her latest descent into the dark underworld of serial killers.