Discord returns to Canterlot having completed the task Celestia gave him. When he tells Twilight what it was, she isn't happy.

Scenes from the lives of some of the immortal creatures of Equestria

Twilight's friends are demanding that she explain her recent actions, but all she seems to want to do is give a lecture about an obscure type of magical artifact to her new pet rock.

The princesses were growing more insane every day. The confict was inevitable.