Smooth expat Michael Nicholson is a fixer, getting on by doing favours for the rich and powerful in booming China. When he makes the mistake of getting too close to one of his clients, the wife of a leading Communist Party official, the ageing lothario fears for his life as a vengeful husband decides to put his house in order. So when a domestic dispute from the other side of the world leads to a shoot-out in a luxury penthouse apartment in Chelsea, an ex-cop called Marvin Taylor is one of the casualties. Inspector John Carlyle is little more than a casual onlooker until Taylor's widow turns up, looking for answers. The inspector is drawn into the morass of dealing and double dealing, much to the dismay of his boss, Carole Simpson, who wants him to focus on Barbara Hutton, a Bloomsbury housewife who may – or may not – be a former German terrorist wanted for a 40-year-old murder....