Follow the lives of a group of young adults living in a brownstone apartment complex on Melrose Place, in Los Angeles, California.

Connie, the fifteen-year-old black sheep of her family, finds her summertime idyll of beach trips, mall hangouts, and innocent flirtations shattered by an encounter with a mysterious stranger.

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.