Robert McCall is a former agent of a secret government agency who is now running his own private crime fighting operation where he fashions himself as "The Equalizer." It is a service for victims of the system who have exhausted all possible means of seeking justice and have nowhere to go. McCall promises to even out the odds for them.

A record store clerk is an obsessed fan of an actress of stage and screen. However, when faced with rejection, the fan strikes out in increasingly violent ways.