When a woman accidentally hears a phone call implicating an undercover cop in the murder of his partner, her life is threatened and she contacts McCall for help.

A robbery gang of semi-homeless kids is run by a ruthless manipulator. One of the kids has a caring single mother who enlists the Equalizer to look into things. When the gang boss shows his true colours anytime the possibility arises to advance in the world, the boys and The Equalizer bring him to justice.

A man tricks women into prostitution and videotapes them, using the videos to blackmail them into doing even more, and eventually each is killed. McCall helps a chauffeur planning to avenge the death of his daughter.