When Decker Newsome brings his violent crimes to Kathryn Glass's doorstep, the undersheriff will stop at nothing to capture the killer. Ryan Steele may be her best chance to catch the criminal, but can she really trust Decker's former partner in crime even if he's redeemed himself? To Kathryn's surprise, Ryan makes a good partner-in more ways than one. But as they make their way through Decker's web of violence, will their connection be enough to save them?