Four girls and a dark force, torn from their lives and thrown headlong into a situation none of them could bargain for, and an unsuspecting Equestria about to be forced into a conflict like no other

it seems to be just another normal day in ponyville, but sometimes "normal" is just a mask for a dim future to slip into the world.

Past the crystal empire exists a castle, within that castle a unicorn who longs to see the outside world, he leaves; but is Equestria ready for what follows him?