After opening the portal, we find the story of what went in and out of the portal, which would involve tough decisions on the part of the protagonists.
Gravity Falls - Rated: K - English - Mystery/Drama - Chapters: 4 - Words: 3,352 - Reviews: 3 - Favs: 4 - Follows: 1 - Updated: 4/30/2015 - Published: 4/23/2015 - Dipper P., Grunkle Stan, Grunkle Ford