Mwako Cumbuka

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.

A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.