A game warden solves a mystery. Wyoming game warden Joe Pickett is forced to relive the tragedy of his foster daughter April's apparent death six years earlier when his daughter Sheridan starts receiving text messages from someone claiming to be April. The nightmare rachets up a step when whoever is sending these messages is discovered traveling with suspected environmental terrorists.

Having hidden the truth about a past colleague's violation, former Special Forces agent Nate Romanowski is targeted by a determined killer who threatens Joe Pickett's life as part of a violent plot.

oe Pickett is the new game warden in Twelve Sleep, Wyoming, a town where nearly everyone hunts and the game warden--especially one like Joe who won't take bribes or look the other way--is far from popular. When he finds a local hunting outfitter dead, splayed out on the woodpile behind his state-owned home, he takes it personally. There had to be a reason that the outfitter, with whom he's had run-ins before, chose his backyard, his woodpile to die...