Twilight is teleported to Blood Gulch Canyon after meddling with a ship that crash landed in Equestria. She must enlist the help of the local red and blue soldiers to get home while unraveling a dark conspiracy linking her world to a shadowy agency.
Upon finding a mysterious door, Derpy and Carrot head to a place unknown to all. What they soon find out too late however, that their curiosity would soon put to risk not only their friends, but the entire fate of Equestria and the world around them.