The equalizer. [videorecording (DVD)] Season four

Golden Globe, Grammy, and Emmy Award winner Queen Latifah is Robyn McCall, an enigmatic woman with a mysterious background who uses her extensive skills as a former CIA operative to help those with nowhere else to turn. McCall presents to most as an average single mom quietly raising her teenage daughter. But to a trusted few, she is the Equalizer, an anonymous guardian angel and defender of the downtrodden.