The day after Pinkie Pies private little party Rainbow Dash spills the details of it to Twilight hoping for a solution for the occasionally depressive and irrational pink filly. Agreeing that a solution is in order she peruses the library in hopes for a cure. Not only does casting the spell do more than just split her personality but thanks to an error on her own part both Pinkies libido is cranked up to 11. Loose and horny in Ponyville the two mares immediately get themselves into some lurid shenanigans...