Nastos returns on the case of a missing teen, a sadistic abuser, and a race against time Nastos built his police career by channeling his own shadowy instincts to hunt dangerous predators. Now disgraced and off the force, Nastos reluctantly agrees to work with the brash lawyer who cleared him of murder charges. Their job? Track the whereabouts of Lindsay Bannerman, a troubled teen whose wealthy family fears the worst. As spiteful former colleagues try to derail him, and his wife urges him to stop chasing the darkness, Nastos must fight to keep the promise he made to Lindsay's father -- to find her before it's too late.