After countless millennia, something has finally escaped the pits of Tartarus. It came from the deepest pits and had enough power to force its way out, leaving the Princesses to expect the worst...

They call upon the one that will return the evil to the pit, dead or alive.

Meanwhile, in Ponyville, the most generous mare has an act of kindness go terribly wrong, leaving her in debt to a creature of unmistakable supernatural power...a creature that seems to love hot coffee in the morning, naps in the afternoon, and onigiri.

Only time will tell what happens to the intertwining fates of the three players in the this cosmic comedy...