What does a nation do when war comes to it's door? Doubly so to a nation that has avoided conflict for centuries? The Changeling Empire, embittered by it's defeat during their attempted coup over Equestria, has dedicated itself to empire building, and the destruction of the Equestrian State. Equestria has idled, refusing to face reality, even after the break away of Severnaya, and now even New Mareland. Only Equestria and the Crystal Empire stand united against the coming threat of the Changelings, but how does a nation ready itself for something it has no experience in? Prince Blueblood rallies the few veterans of the Buffalo Wars, and sends them across the country to recruit every volunteer they can find, as Blueblood know every pony will be needed. Even then he knows it won't be enough, but hell will be raised when conscription is introduced...