Battered by floods and crushed by overtourism, the city of Venice faces an uncertain future. The election of a new Mayor, therefore, has never felt more important. As the candidates jostle for position and alliances are made and promises broken, Andrea Mazzon, a controversial writer and historian, emerges as a strong candidate.

Nathan Sutherland, meanwhile, has more important things on his mind as he investigates the case of an elderly British academic who has disappeared while researching the fate of his grandfather during the Great War. The trail leads to a remote Common-wealth war cemetery where, under the ice and snow, Nathan makes a discovery that links the terrible events of a century ago with the electoral campaign in La Serenissima. A campaign that might ultimately set the victor on the road to the Senate - and on the road to murder...