Lone-wolf survivalist Colter Shaw roams the country as a “reward seeker,” using his expert tracking skills to help private citizens and law enforcement solve all manner of mysteries while contending with his own fractured family.

Unaware that a serial killer is stalking clerks at 24-hour convenience stores, Debra reluctantly takes the night shift at her minimum-wage gas station job after her co-worker disappears. What begins as routine shelf-stocking and floor-sweeping quickly spirals into a heart-pounding descent into paranoia, dread, and blood-soaked madness as the killer closes in.