Anakin doesn't turn to the Dark Side, but he does get a little set on fire in the fated battle that destroys the Sith, and Padme for reasons somewhat relatedly to the fact that a Sith Lord was in charge of the Republic decides to have something of a nervous breakdown and flee the Republic. After committing some light treason. They fuck off to Naboo and have run-of-the-mill Good End AU adventures, kind of, and Obi-Wan tags along, kind of.