Rose Tyler is used to being alone, having learned the hard way that, eventually, everyone disappears. After losing the one person she dared to believe wouldn't leave her, she stops trying to believe that anything will last. She's determined that no one will hurt her or her son again. AU, all human.

The Doctor and Rose Tyler finally venture back to Earth after a recovery period, meeting up with an old friend while investigating Adipose Industries. But life never stays simple or easy long for our favorite intergalactic couple. Rewrite of season 4 with Donna Noble, 4th story in the Written in the Stars series.