In the near future after a global crisis causes crops to fail and species to disappear . . .  something even more deadly happens. Groups of humans around the world suddenly become predators, feeding off their own kind. These “Can Heads” grow to such a threat that fences, gated compounds, and SWAT-style police protection become absolutely necessary in order to live.After one Can Head attack leaves NYPD cop Jack Murphy wounded, Jack takes his wife and kids on a much-needed vacation. Far up north, to a camp where families can still swim and take boats out on a lake, and pretend that the world isn’t going to hell. But the Can Heads are never far away, and nothing is quite what it seems in Paterville. . . .