The Great Galactic War is over, and an uneasy peace has settled across the galaxy. The Empire and Republic stare hatefully at each other across the stellar void. In the midst of all this, the Republic cruiser Bondar Thane finds itself above a mysterious, unexplored world.

Meanwhile, within the confines of her royal chambers, Princess Celestia experiences a fear she has not known in millenia. An old presence has returned, awakening aeons-old memories, and she must prepare to confront the greatest threat Equestria has ever known.

A My Little Pony: Friendship is Magic crossover with Star Wars, set in the Old Republic era.