A teenager throws a party while her parents are away, with horrific consequences. The invitation to Rachel's party is put out on Facebook and more than a hundred kids descend on the house in the affluent suburb. The party turns into a riot and the property is trashed.
Past midnight, a horribly mutilated body is discovered on a road in Portsmouth, evidently killed in a hit and run. There are no witnesses - and few regrets. Why? Because the victim had been terrorising an entire estate.