This story is a direct sequel to Family of a Lifetime, and picks up right where it left off.
Rainbow and Indominus are married, Scootaloo has the family she always wanted, and everypony is happy at last. However, some ponies have darker thoughts on their minds. A few months after the wedding, Rainbow gets the biggest surprise of her life: she finally gets to be a true Wonderbolt. But her first day goes horribly wrong when Soarin makes her mess up and lands her a haunting nickname from her fillyhood. His actions however, are going to provoke a great rage buried deep within Indominus. The hybrid's rage will cause lines to be drawn and Rainbow will have to make a difficult decision on where her loyalty lies. Will she choose the ponies that she's looked up to her whole life, or the hybrid dinosaur that captivated her heart and would do anything for her?