Two teenage girls heading to a rock concert for one's birthday try to score marijuana in the city, where they are kidnapped and brutalized by a gang of psychopathic convicts.
On the way to California, a family has the misfortune to have their car break down in an area closed to the public, and inhabited by violent savages ready to attack.
A teenage girl's life is turned upside down after her cousin moves into her house, and as time goes by she begins to suspect that she may be a practitioner of witchcraft.
After her husband dies under mysterious circumstances, a widow becomes increasingly paranoid of the neighboring religious community that may have diabolical plans for her.