Bernard Samson is the obvious choice to send to Mexico when Erich Stinnes is to be turned, for Bernard knows Erich of old. But what he cannot know is the full extent of the web in which he risks becoming entangled, the fatal game of old loyalties and old betrayals.
Silas Gaunt, the larger-than-life ex-head of the Berlin Station, may have retired to the country, but his influence still permeates British Intelligence. As the Director-General's health fails, so the old master puppeteer returns to pull the strings once more.