After exploring a bridge between their world and the town of Gravity Falls, Petra and Levi get trapped in the strange Oregon town after their portal vanishes. With the help of Dipper and Mabel, they must find a way back home. But when titans start appearing in Gravity Falls, it's apparent that getting home isn't the only thing Levi and Petra need to worry about.
Rated: K+ - English - Adventure/Romance - Chapters: 4 - Words: 10,599 - Reviews: 19 - Favs: 29 - Follows: 27 - Updated: 5/16/2015 - Published: 3/17/2015 - Dipper P., Mabel P., Levi A., Petra R. - Complete