The cover operatives known as greysuits enforce the British government's interests in the world's most dangerous places. Specially conditioned to have heightened strength and senses, Greysuits are the most deadly secret agents alive. John Blake is amongst the best of these 'Delta Class' assassins, but now his programming is breaking down and his masters want him dead...This high-octane, action-packed thriller is brought to you by industry legends Pat Mills (Slaine, Charley's War, Marshal Law) and John Higgins (Watchmen, Judge Dredd, Hellblazer).