Geode, a scarlet crystal unicorn, is caught trying to steal food from Princess Cadence. She sends him to live with Twilight to keep an eye on him. At first he is distant and pays no mind to his new surroundings. What will happen when a certain Cutie Mark Crusader starts to fall for him? Join the CMC as they discover magic hidden from the world and a secret that will shake the very foundation of an empire.