Coffy

Coffy is a movie starring Pam Grier, Booker Bradshaw, and Robert DoQui. A sexy black nurse takes vigilante justice against inner-city drug dealers after her sister becomes their latest victim.
After her younger sister gets involved in drugs and is severely injured by contaminated heroin, a nurse sets out on a mission of vengeance and vigilante justice, killing drug dealers, pimps, and mobsters who cross her path.