The second mystery featuring Sir Abercrombie “Filthy” Lewker, actor, manager, mountaineer, wartime spy, and amateur sleuth, this time solving a murder in Zermat at the base of the world's most famous mountain.

Lewker is looking forward to a break in Europe when he is persuaded by his one-time spymaster to take a trip to the Matterhorn. Léon Jacot, a Résistance fighter of Lewker’s acquaintance, is poised to seize political power in France. It is a priority of the UK government to discover what political leanings Jacot possesses in case action needs to be taken to prevent a shift in the European political landscape.

One morning – before Lewker has managed to find the information he needs – Jacot decides to make a solo climb of one of the ascents of the Matterhorn, despite the questionable weather conditions. But when his body is spotted on one of the glaciers, it seems clear that he must have fallen, despite his expertise. But if that was the case, how could the cause of his death be suffocation? Faced with a near impossible situation, Lewker finds himself with a multitude of motives but a distinct lack of opportunity… [ source ]