Scootaloo and her friends are now in High School and have started to grow up more. Scootaloo has a coltfriend, and everything is fine, until one day she feels sick, and things go from there.
There is a secret that Celestia has kept from everypony, even from her sister and student, one that everypony that knows the truth about have kept quiet about for eight years. However the truth will be discovered soon enough, and all will change.
A few months after Rainbow Dash and Scootaloo become a family again, a sad discovery followed by a letter sends their lives into turmoil. Can this new family survive what is yet to come?