With a dangerous prison escapee in tow, Kayce and Cal struggle to survive a freezing night on a mountain, a task made all the more challenging by an unhealed wound from their past that threatens their ability to work as a team in the present.

After an assassination attempt against Broken Rock chairman Rainwater, Kayce protects him while the Marshals race to discover who's targeting him. When a militia attacks, Kayce realizes the conspiracy is larger than anyone imagined.