Its 1984 and the Miners' strike begins pitting the National Union of Mineworkers against Margaret Thatcher's Conservative government. WPC Yvonne Fletcher is shot and killed by a secluded gunman during a siege outside the Libyan Embassy in London in the event known as the 1984 Libyan Embassy Siege. 11 other people are also shot but survive and DI Jack Castle is trying to figure out why Tommy Hearn was brushing shoulders with London's rich and famous. Tommy Hearn had a record as long as your arm. Aggravated Burglary, Robbery with violence, Actual Bodily Harm, Grievous Bodily Harm, attempted murder, anything with violence attached. Yet suddenly Tommy had a flat in Grosvenor Square, a chauffeur-driven Rolls Royce and the very best taste in fine art, especially paintings from the Italian Renaissance period. And he was going straight? No way. But what was his angle? What took a violent primitive career criminal into the discreetly venomous world of fine art? And without a blot on his newly established character? DI Jack Castle had to know. And Castle, the toughest and most ruthless officer in the Metropolitan Police Robbery Squad - would use every trick in the book to find out...