Regan's brother Liam can't stand the person he is during the day. Like the moon from whom Liam has chosen his female namesake, his true self, Luna, reveals herself only at night. For years, Liam has transformed himself into the beautiful girl he longs to be with help from his sister's clothes and makeup in the secrecy of their basement bedrooms. Now everything is about to change - Luna is preparing to emerge from her cocoon. But are Liam's family and friends ready to welcome Luna into their lives?