Aileron is a Unicorn from Manehatton, she's one of the best astronaut ponies in Equestria. After being hand picked by the people at the Equestrian Space Bureau or E.S.B for short, She and a small team are sent to help repair a major hull breach in Lunar 5, one of many recently commissioned space stations orbiting the moon
, but when they arrive, they find that not all is as it seems... Now they are in a fight not just for their own lives, but the lives of all their friends and family back on earth. This... is Lunar 5.