Savage Streets (1984)

Linda Blair, Paula Shaw, Linnea Quigley, John Vernon

After a night out in the streets of L.A., the lively high school student, Brenda, and her all-girl team, The Satins, decide to play an innocent prank on the brutal street gang of dope-dealers, The Scars. But, before long, Brenda's beloved deaf-mute sister, Heather, catches the eye of their vicious l