Based loosely off the concept from What Happens In Vegas. Always competing, Emma and Regina find themselves getting just a bit carried away one night. In the morning both are shocked to find their situation has changed and in a town with magic, not everything is so easily fixed. The two suddenly have to find some way to get along before one does't make it out alive.
Once Upon a Time - Rated: M - English - Humor/Drama - Chapters: 36 - Words: 172,465 - Reviews: 2929 - Favs: 2,522 - Follows: 1,772 - Updated: 3/16/2014 - Published: 6/26/2013 - [Emma S., Regina M./The Evil Queen] - Complete