After finding Discord hiding out in his closet, Twilight Sparkle soon learns the most horrible of truths about herself and the world surrounding her. And then she learns another truth. And another. And another.
Apple Bloom takes a shortcut on a joint project for Twilight time. This poor decision inadvertently leads to a discovery about herself that will change her life forever.
The Cutie Mark Crusaders are given an assignment in school that requires them to ask the Mane Six about facts of nature. The answers about "the birds and the bees" they get should make for a very interesting report!