<span><span>Inspector Alleyn’s old school chum, the &quot;Boomer,&quot; is now president of the new African nation of Ng’ombwana. On an official visit to London, the Boomer insists that Alleyn handle his security; a difficult task made even more so when the Ng’ombwanan ambassador is killed. Happily, not only is Alleyn up to the task, but he is assisted by a cat who proves remarkably adept at finding clues.</span></span>