The patients and staff of a secluded heroin treatment center must do battle with more than their own demons as a mysterious killer begins picking them off one-by-one.

The patients and staff of a secluded heroin treatment center must do battle with more than their own demons as a mysterious killer begins picking them off one-by-one.

Stranded at the side of the road after a tire blowout, a group of friends become targets for an enigmatic sniper.