When you say goodbye to some pony, you never know if you'll see them again. Of course, Celestia being an immortal god, Twilight wasn't to concerned about that. But when her mentor's body was found on the floor in the courtyard, supposedly broken down from the strain that powerful magic has on an alicorn over the years, all of Equestria falls into a state of confusion and depression.
How can Pinkie find a way to cheer her friends up now?