Arthur Penhaligon doesn't expect to be a soldier - after all, he's the Rightful Heir, he wields the first three powerful Keys to the Kingdom, and he has a broken leg. But when he returns to the House, determined to defeat the Morrow Days, there's no escaping Sir Thursday's inexorable plan. Forced into the Glorious Army of the Architect, Arthur is drafted to serve for a hundred long years.