The new mystery in the bestselling Richard Jury series, bringing London's finest and 'the Filth' together on a double-homicide case that involves Kenyan art, rare gems, astrophysics and a long-fermented act of revenge. A cab driver becomes a witness and an unwitting accomplice in a murder, which Jury investigates, considering it a personal affront after meeting one of the victims two days before. Grafts the 'Golden Age' amateur-detective story to the contemporary police procedural.