A note is left on a car windshield, an old dog dies, and Kent Nerburn finds himself back on the Lakota reservation where he traveled more than a decade before with a tribal elder named Dan. The touching, funny, and haunting journey that ensues goes deep into reservation boarding-school mysteries, the dark confines of sweat lodges, and isolated Native homesteads far back in the Dakota hills in search of ghosts that have haunted Dan since childhood.