A young Pegasus named Crimson Pallet and his group of friends meet and welcome a new Unicorn to Fillydelphia, but the more they get to know this new and mysterious unicorn the more Crimson draws suspicion on him of being something he may not appear to be. They decide they must leave Fillydelphia and somehow warn Princess Twilight Sparkle of some dark and perilous event that may occur.