One the Elements of Harmony bearers will have to face the consequences of her ancestor’s fault, but another pony will face the dread general and his fearsome vengeance.

The saga of general Grey Shadow and the Dark Legion continues: awakened in a new world, they find themselves at a loss, facing the enemy not even they could defeat: Time!

After a thousand years slumber The Dark Legion, Luna’s prívate army, has come back! Both sisters will have to solve together how to deal with the old and ruthless troop and their captain, the legendary unicorn Grey Shadow.