Bonbon finds herself on the adventure of a lifetime as her best friend turns out to be the very example of a non-Equestrian, Princess Luna goes searching for a mysterious salmon at the edge of It's Beyond, and a handy yet completely unreliable guidebook goes about looking for authors. With nothing but the nonexistent clothes on her back, a towel, and the help of her friends, will she be able to make it to It's Beyond and back in time to pick up a very important cake delivery?