It is 1895, and the Venezuela Crisis has exploded into war between the United States and the British Empire. The longest undefended border becomes a battleground. Armoured steam trains, steam powered hovercraft, and airships clash in the rivalry of empires. Walter Butler, descendant of Loyalists, rises from young untried militia officer to the leader of the 95th Guides, with the battles that determine the fate of a continent hinging on his skill and daring.