Pastor turned long-haul trucker, Mack, struggles with grief and perceived failures as a minister while he is confronted with a mysterious hitchhiker, smugglers, and a determined killer. After an unbearable tragedy strikes his life, he sells everything he owns and buys a new Peterbilt truck, returning to the trade he learned decades earlier.Hoping for some windshield therapy and peace of mind behind the wheel of his new rig, Mack gets neither after God nudges him to pick up a hitchhiker near the Jordan State Prison outside Mack's childhood home of Pampa, Texas.When his world is ripped apart, he seeks to run away from it all, going as far as to cut off communication with all but a handful of people. But he is pursued by God, who will not let him go. Unbeknownst to Mack, God is equipping His servant with tools to handle events his past education and experience could never have prepared him for.The story unfolds as the hitchhiker enters Mack's Peterbilt. The...