It's three o'clock in the morning, Bill and Mabel deciding that it would be the perfect time to awaken Dipper and play a game with him, with an innocent twist.

When a dangerous criminal known only as the mute Winter Dark, Twilight and her friends are tasked with reforming her as they did with Discord. When Pinkie Pie decides to be better friends with the mare, her friends start to wonder why Winter did what she had done.