A day of playing Videogames with Sweetie Bell turns into an epic adventure when Button's grandfather arrives. Di tap convinces the two young foals to try Dungeons and Dragons Nightmare Moon edition. As they play they learn what it means to work together as a group, to trust one another, and just how deeply their friendship will go.

Join them as they travel out of the mythical town of Neighdowell, and go further into the more savage parts of Equestria in search for someone who has been entralled by the dark ruler Nightmare Moon. Together, with the help of a black magic Unicorn (played by button's mom - Love), they might have a chance of righting some wrongs, and possibly winning the game.