Harry is a broken man, struggling to come to terms with the murder of his wife and daughter 5 years previously. When he discovers the whereabouts of the killers he awakens from his grief and, like an avenging angel, resolves to never stop until they are all dead.

When a young couple goes to a remote wooded lake for a romantic getaway, their quiet weekend is shattered by an aggressive group of local kids. Rowdiness quickly turns to rage as the teens terrorize the couple in unimaginable ways, and a weekend outing becomes a bloody battle for survival.

A mentally disturbed man takes residence in a halfway house. His mind gradually slips back into the realm created by his illness, where he replays a key part of his childhood.

The daily lives of the men and women at Sun Hill Police Station as they fight crime on the streets of London. From bomb threats to armed robbery and drug raids to the routine demands of policing this ground-breaking series focuses as much on crime as it does on the personal lives of its characters.