A Time-Traveler, or 'Jumper' for the Temporal Control Agency is called into action to prevent an old grudge from destroying reality.

A tragic accident and some well meant mistakes leaves Vinyl Scratch alone and afraid. Octavia meant the world to her, and Vinyl must sort through her memories and her feelings to find the right way to get the mare of her dreams back in her hooves.

Chaos is known to the vast majority of Equestria as evil. Deceptive. Corrupting. But there are still ponies who understand Chaos's place in the universe. Sometimes a little too well.