Wyoming Game Warden Joe Pickett is called to a bizarre crime scene deep within the forests of Twelve Sleep County. Famous eco-activist Stewie Woods has been killed in an explosion, along with his new bride and ten head of cattle. The case is wrapped up far too quickly: an environmental publicity stunt gone wrong.

But what is the millionaire rancher who owned the cattle hiding? And why is Joe’s wife Marybeth receiving mysterious phone calls from someone claiming to be Stewie Woods?Joe’s search for the truth leads him ever deeper into the wilderness of the Bighorn Mountains. With two unlikely allies at his side, and two hired killers on his heels, Joe can’t avoid the legendary Savage Run – a treacherous, isolated canyon with no crossing…