Helene Fischer is a professional killer who arrives in West Cumbria with instructions to shoot dead 12 people. She has two specific targets, the other ten are chosen at random. Accompanying Helene is Nasseem Ahmed, a computer hacker who is peculiarly averse to the sight of blood. The final shooting takes place at a kart circuit near Rowrah is clearly an example of world class marksmanship. Such precision convinces police that they are dealing with...