An old enemy has returned to equestria, and he plans to overthrow the land with his powerful magic. She can only be overtaken by an ancient and arcane magic art called dragonlore; however, this magic has been lost. Princess Celestia sends Twilight Sparkle and her friends back in time to learn this magic and save the world. Unfortunately, the cutie mark crusaders accidentally get sent back too and they all arrive just in time to find another enemy that could stop Princess Celestia from coming to power before she is even born...