Six powerful entities have awakened, being that are even more ancient than Equestria itself. When these beings threaten not only Ponyville but all of Equestria it's up to the Elements of harmony to stop them!
Unfortunately, they have no idea how, but one family has passed down the legends of this threat with each generation, and they alone know the secret of defeating them.
The last remaining member of the family: Derpy Hooves!