Three college students get lost in the seedy streets where they encounter a crazed gang of homeless derelicts that seizes them and one-by-one, horrifically kills all but one man. The surviving man escapes on foot, naked and unarmed, with a pack of depraved transients in pursuit, and only seconds away from capture.

Veteran LAPD detective Henry Cardenas faces off against his toughest murder suspect yet, Vince Marins, who claims to be something other than human. Over the course of 24 hours, truths both new, and long buried will be revealed.