After a week on living in Ponyville, specifically in the library of Princess Twilight Sparkle, a human named Jazz was scheduled to meet another Princess on a place called Canterlot with Princess Sparkle accompanying him. It wasn't to see if he was a threat, it wasn't because he was a newly discovered specie either, but as a sign of apology from the princess.

You see, the human was sent in Equestria on a rather unexpected and embarrassing incident.

Walking to the train station, the human was suddenly blocked by the neighborhood draconequus offering him to join on a prank he's planning.

He didn't remember what had transpired after that. Not remembering anything from the last 24 hours, the human suddenly found himself in the deepest depts of Tartarus suffering on what could be the worst hangover of his life along with a certain white alicorn…