It is Twilight Sparkle's Special Day, Her Birthday to be exact, and she decided to invite all of her best and closest Friends featuring The Mane Six, Starlight Glimmer, Sunburst, Gallus, Moondancer, Tempest Shadow, Trixie Lullamoon, Sunset Shimmer and Flash Sentry, but after stumbling across a door on the ground that was located very near to their favorite restaurant, the group gets trapped into a secret and abandoned hotel, and must find a way to get out of there alive.