After one year has passed, the Pines Twins return to Gravity Falls, only to find that the sand from the lakes and beaches has vanished. Not only that, but EcoTech, a nature preserving and technology producing company, has opened its doors to help recover the missing sand. Something's not right, and it's up to Dipper, Mabel, Soos, and Wendy to find out what happened to their sand!
Rated: T - English - Adventure/Mystery - Chapters: 9 - Words: 15,184 - Reviews: 26 - Favs: 6 - Follows: 7 - Updated: 4/17/2017 - Published: 9/15/2015 - Dipper P., Mabel P., Wendy, Soos