Former CIA agent Robert McCall has decided to start life anew, to leave the difficult past behind and look to the future, just as he promised his late wife. He had already found a regular job as a store clerk. One day, McCaul steps in for a young prostitute, Teri, with whom he has been chatting at the local diner and who is under the control of the Russian mafia.
McCaul ends his voluntary resignation and begins his own quest for justice. Anyone who suffers from criminal masterminds, corrupt officials and cannot find help from the state finds help in McCaul. He will help. Because he is the great equalizer.
When the system turns a blind eye to the murder of her family, she decides to bring justice herself: to cleanse the city of criminals and corrupt cops in order to avenge her loved ones. After all, revenge is a dish served cold. Cold, like the mint-flavored ice cream that her only daughter loved so much.
The story centers on a former policeman, whose life after the murder of his family went downhill. However, he pulls himself together and dedicates his life to a single goal: to find those responsible for the death of his family.
A young New Orleans police officer witnesses corrupt officers kill a drug dealer, an incident that remains recorded on her camera. The cops hunt her down to destroy the tape, but soon things get worse: they convince the criminal gang that the girl is responsible for the dealer's death.
Mobster and hit man Jimmy Conlon has one night to figure out where his loyalties lie: with his estranged son, Mike, whose life is in danger, or his longtime best friend, mob boss Shawn Maguire, who wants Mike to pay for the death of his own son.
After ten years in prison, Driver has one goal: track down and destroy the people involved in the brutal murder of his brother. Finally gaining his freedom, he is ready to go to any length to fulfill his cruel mission and get rid of those on his black list.
The joy of revenge is hindered by a veteran cop and an assassin, both of whom have their own reasons for getting even with him. Now the hunt is on for the hunter...