Working a forklift in a freezing warehouse for minimum wage was all that Jack Regan had when his old 'friend' Purdy from MI6 came visiting. Even so, Regan was not interested and yet ... A shipment of SA missions on the way to ISIS was intercepted. Unfortunately only five of the six crates expected were found. Purdy suspects a major leak at Vauxhall Circle and wants an outside like Regan to track the missing missiles down.