On the night of the Grand Galloping Gala, Thunderlane couldn't be more annoyed. Dragged to the gala by his CO, he's content to be bitter and moody the whole time. But when he hears a soft melody played by a certain mare, he's intrigued enough to introduce himself to this "Octavia."

She's a nice mare. Sweet and polite, but with what she calls "a roommate complex." Now what could she mean by that?