Mason Winters is an elite Colorado hunting guide known for his relentless attention to detail and trophy-bagging prowess. But one moment of inattention gets a man killed and wrecks Mace's reputation and marriage. He descends into boozy self-loathing hell until a sleek couple from Phoenix hires him to guide them on a backcountry wildlife shoot. His dormant sill se kicks in and he dazzles the affluent tourists with his inborn knowledge of terrain and uncanny stalking ability. But nothing is as it seems. The photo safari turns out to be a test that will plunge Mace and his wife into an ancient cycle of blood revenge and violence...