Celestia loses sight of her sister for a few minutes. But those are enough for baby Luna to get into the Everfree Forest. Now Celestia has to find her sister again, while Nightmare Moon can play babysitter for a certain cub.
That one fan of MLP, who makes her plot way darker and complexer then intended. And the person, who roleplays more then she writes fanfiction. *ON A WRITING HIATUS FOR NOW*