The Archbishop of Canterbury's request for help from former spy Sebastian St. Cyr, Viscount Devlin, is undeniably intriguing: The bodies of two men have been found in an ancient crypt, their violent deaths separated by decades. One is the Bishop of London, the elderly Archbishop's favored but controversial successor. And the last person to see him alive was Miss Hero Jarvis, with whom Sebastian shares a strained, and complicated, relationship.