Without delay, the Deputy takes the wounded man to the nearest hospital, which because of an extensive damage from a fire, has limited resources and a stripped-down overnight staff, only to quickly realise that the place is under siege, encircled by cryptic, shrouded cult disciples who prevent them from getting out.
Eventually, before the graveyard shift ends, inside this rat’s maze, the unfathomable, ancient nightmare that secretly resides inside the hospital will be unleashed,