When a mysterious blue filly comes out of the Everfree forest, nopony gives it much thought. With Equestria on the brink of a war, there are more important things to think about. Six years later, Ponyville is one of the few places not destroyed in battle. Ponies start begging for the Elements of Harmony to stop the war, but after a surprising and frightning turn of events, nopony knows what to do.