"We are going to play a wonderful game. If you succeed you will be able to say you caught me at last. If you fail... Well, I shall leave that to your vivid imagination..." Esther has received a series of ink drawings and a threatening note from an unknown adversary. In order to discover the secrets they contain she has to delve into the past, back to the moment when she and Sam first met... This fourth book in the Esther Morstan-Eyre series sees Esther and Sam investigating the murder of a well-to-do man in a dark and dingy alleyway. Their investigation takes them into a world of diabolical plots, secret sects and cunning spies, testing their fledgling friendship to its very limits.