FBI Agent Helter and his partner Lombardi are very close to busting a sex-trafficking ring. When they realize their investigation has crossed the path of a brutal serial killer, they team up with a Texas Ranger to put an end to the infamous ‘Truck Stop Killer’.

A rancher fighting for his land and family stumbles upon an unfathomable mystery at the edge of Wyoming’s wilderness, forcing a confrontation with the Unknown in ways both intimate and cosmic in the untamable American West.