Being an evil tyrant and then turning good isn't always easy. Magical alicorn princesses are no exception. Luna's fear consumes her resolve so Celestia takes over the moon raising duties for a night. But when Luna makes a wish she believes is right, and Celestia releases long-forgotten magical monsters from captivity, the combo could end out disastrous. Not only for the safety of equestria, but also for Luna whose wish is not a small one.