Celestia has a dark secret and needs the help of the best flier in Equestria to help end her torment. As they start to open up and share their personal secrets, they both come to realise they have something else in common - their need for each other.
Rainbow Dash, having finally successfully saved the world and left Imploding Colon with a gaping hole in his daily routine that he fills with lewd pictures of Disney Princesses, very much misinterprets the sentiment of "Love your enemies".