One day when Twilight just wants some peace and quiet, all of Ponyville is plunged into chaos and anarchy. She and her friends summon Discord to answer for his pranks. However, he claims innocence for all the pranks and realizes who is responsible.
After waking up in the body of a little unicorn called Sweetie Belle (but still on Earth) a writer finds himself having to rely on his estranged little sister. Meanwhile, a mischeavous little Draconequuss seems to have bigger plans for him...