 En route to a run-down shelter they are set to renovate as community service, a group of juvenile delinquents and the two chaperones accompanying them run into a minor set-back when their bus breaks down. When trying to find a phone, one of the teens is shot, and the group finds shelter with a voodoo priestess. While trying to use voodoo to save their friend, two of the teens accidentally unleash the evil spirit known as Killjoy.