Cleaning Up — Gerry O'Brien

The Diamond is a psychopath. It wants to rule the world and it's not messing about. It's a Diamond that means business. And there's only one man who can stop it. Down in London's infamous borough the denizens are rushing to grab the Diamond first - before someone else does. Can the Diamond be stopped? Can decency overcome greed? Will the fabric of Time, space and hospital corridors ever be the same again?