When a British Military Intelligence Section 5 (MI5) departmental head discovers that a gang suspected of smuggling weapons into the country are actually trafficking teenage girls, the information is passed onto the police. Corruption in the police is rife, and nothing happens to the gang who carry on unhindered. A small team within MI5 decide to take the law into their own hands by utilising the services of The Club against the people traffickers. In the long run their decision proves to be both devastating and far-reaching. When this MI5 unit embark on an unofficial mission to topple The Club, the key to their chances of success hinge on Arthur Halfpenny, but will Arthur have the courage or desire to change sides? The hitman Rooney has a massive problem of his own. He also has an objective of his own design; he just needs to live long enough to accomplish it.