Police officer Kirby Wayland is on his way home late one day when he sees a stray dog along the highway and decides to shelter it. From that moment on, Kirby experiences a continuing strangeness about this canine. Man and dog quickly develop a bond, though there is always something very unsettling about it. Kirby takes a six-month leave from the force and decides to take a road trip. On the road, Kirby and the dog have a series of rapidly escalating...

Foraging for supplies by night in a beautiful but hostile urban world where strangers would kill him on sight, Addison endures a solitary existence before meeting a quicksilver girl engaged in a dangerous duel of wits with a malicious, well-placed enemy.