A veteran detective quits his job, giving his badge and gun back, only to receive new ones in another world, forced to solve a mystery that not even the omnipotent Celestia herself can't solve… They do know one thing, the culprit is… Twilight?!

Rainbow Dash's body found in a ditch, with little clues, and those little clues lead to a smart and cunning unicorn, but Twilight would never do such a thing….would she?

That's what this otherworldly detective is about to find out….