A mysterious love triangle leads to a tragic shooting. Months later, eight members of a MySpace-esque chat room are being gruesomely murdered in the privacy of their own homes.

When an armed, masked gang enter a Manhattan bank, lock the doors and take hostages, the detective assigned to effect their release enters negotiations preoccupied with corruption charges he is facing.

McCall believes he has put his mysterious past behind him and dedicated himself to beginning a new, quiet life. But when he meets Teri, a young girl under the control of ultra-violent Russian gangsters, he can’t stand idly by – he has to help her. Armed with hidden skills that allow him to serve vengeance against anyone who would brutalize the helpless, McCall comes out of his self-imposed retirement and finds his desire for justice reawakened. If someone has a problem, if the odds are stacked against them, if they have nowhere else to turn, McCall will help. He is The Equalizer.

A rich woman and a calculating insurance agent plot to kill her unsuspecting husband after he signs a double indemnity policy. Against a backdrop of distinctly Californian settings, the partners in crime plan the perfect murder to collect the insurance, which pays double if the death is accidental.