It was a quiet, peaceful evening, no clouds in the sky and a beautiful Moon shining down on the city. Having some free time, Twilight had decided to pay Rarity a visit. Spend some time with her, chat for a while, maybe ask about the book she'd lent her. Those were her plans for the early night, a fairly standard routine for her.
Finding the unicorn drunk in her kitchen had not been part of her plans. Neither had been everything that happened after that, for that matter.