Begins as a violent buddy-cop action movie, settles into a downbeat zoomed-in addiction narrative, and eventually opens up again into zombie revenge horror. No SOV horror movie should be 95 minutes long, but at least Neighbor Hoodz has the sense to stuff its extended running time with wild twists and turns.

The vérité quality of SOV photography lends the flophouse and alleyway scenes here a disturbingly authentic quality, as the endless scenes of desperate people getting high could be confused…