When Maria's son is brutally murdered by a gang she is left traumatised. When the authorities fail to bring her son's killers to justice she begins to understand that nobody cares. Forced by a sense of duty towards the one person she ever loved, Maria sets out to find the killers herself. She voyages through a twilight underworld of pimps, hookers and dealers until she confronts the monster responsible. But at the moment of revenge the truth about her son is revealed, leaving her with the toughest dilemma of her life.