Apple Bloom enjoyed the family reunion but being occupied with other matters (her cousin, her sister) she didn't have time to interact with everyone and with all her family back, she wondered one thing - who is she? Why were certain family members not at the reunion? She wants to uncover this, once and for all as she sets off to find out the truth along with Sweetie Belle and Scootaloo. The Mane 6 search for the young fillies.