In Canterlot, there is the district of Canterwell. In Canterwell, there is a flat. In that flat live Octavia and Vinyl Scratch. This is a day in their lives.
Celestia wants a quiet evening in. Shining Armour wants a word with her. These two things are, unfortunately, incompatible. Because Shining Armour's words are all about his little sister, and her place in the monarchy.