A series of brutal murders puts the lives of three men on a collision course: The father of the latest victim now out for revenge, a vigilante police detective operating outside the boundaries of law, and the main suspect in the killings - a religious studies teacher arrested and released due to a police blunder.

A brother and sister who run away from home find sanctuary in a deserted nature reserve. When the sister falls into the trap of a psychopathic killer, the brother sets out on a race against time to find help. In a twist of fate the rescue of the sister becomes inadvertently intertwined with the lives of a group of young tennis players, a ranger and his dog, as well as a team of policemen.