Niagara Falls police detective and Iraq war veteran John Dromoor (Nicolas Cage) is flagged down by a 12-year-old girl after she witnesses her mother, Teena, being brutally attacked and left for dead by a group of local men. When the men are caught, their parents hire slick criminal defence attorney Jay Kirkpatrick, (Don Johnson) who puts the focus on Teena's credibility, based on her sobriety and promiscuity. Shockingly her assailants are exonerated and released, even though the daughter's testimony should have alone been enough for a certain conviction.

In the aftermath of the verdict, Dromoor grows increasingly close to the victim and her family, who he then discovers are being taunted and stalked by the freed men. The injustice becomes too much for him to take and fuelled by a sense of vengeance and his own personal demons, Dromoor sets out on a lone campaign to serve up the justice the men deserve.