Coffy (1973)

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.

Directed by: Jack Hill

Starring: Pam Grier, Robert DoQui, Sid Haig, Booker Bradshaw, William Elliott, Allan Arbus

Links: IMDb, Movie posters, Movie stills