Gail Walton is comfortable and secure with a successful husband, two beloved daughters, and a house in the New Jersey suburbs. But one tragic afternoon shatters her perfect life beyond all recognition. Gail's six-year-old daughter is abducted from the neighborhood park, sexually assaulted, and murdered. Consumed with grief and rage, Gail turns her back on the police investigation and takes the law into her own hands. Armed with a description of the killer and a handgun, she prepares a meticulous trap to exact the ultimate revenge.