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.
The allure of easy money sends Mary Mason, a medical student, into the world of underground surgeries which ends up leaving more marks on her than her so-called "freakish" clients.
An art student taps into a rich source of creative inspiration after the accidental slaughter of her rapist. An unlikely vigilante emerges, set out to avenge college girls whose attackers walked free.
After kidnapping and brutally assaulting two young women, a gang unknowingly finds refuge at a vacation home belonging to the parents of one of the victims: a mother and father who devise an increasingly gruesome series of revenge tactics.