Before her fall, Luna lived entire lifetimes as a mortal pony. She now wishes to do so again, and elects to spend some time with Twilight Sparkle and her friends. She never expected to fall madly in love.
During a routine flight over The Bermuda Triangle, an F-35E Lighting III pilot is about to find out just how all those past "disappearances" took place...
With Equestria facing a war on three fronts, Princess Luna, Rainbow Dash, and Shining Armor must join forces to unearth a secret buried years in the past before it's too late.