The year is 1925. A labyrinth of roads and rails spirals out from the bones of a nearly forgotten settlement. Londinium. Once the far-flung edge of the vast Roman Empire, it is now the seat of a greater one. Few have given more for the Empire than Colonel Hadrian Russell. Robbed of his four sons by the Great War, he now holds court as the acting president of the Britannia, a prestigious soldiers-only club in London. But when the Colonel...