Two petty criminals find themselves inextricably linked when a stop at a roadside bar leads to murder. On the run and out of options, they reluctantly rescue a stranded boy and his dog from a lonely crossroads in the Mojave desert and decide for the first time in their lives to do the right thing. But this one selfless act unleashes a terrifying onslaught of demonic trouble as they struggle to save the boy—and themselves—from an evil far greater than they ever imagined.