Neither more nor less than one hundred towers shall shield you from the Nightmare. For each tower is a Prohibition, and each Prohibition is a tower. And the towers alone can save you from the death the Nightmare brings.
— The First Prohibition
For generations, the mountain people of Cairn Meridia have lived free, defending themselves from the dark army of the Nightmare with the strength of their towers, the wisdom of the Prohibitions, and the magic of shame and grace. But now, as a masked rebellion festers in the heart of the city, the Nightmare comes again, twenty years too soon, and the fate of Cairn Meridia hangs upon a terrible choice. Here is a tale of lies, loyalty, and above all love.