So Dipper, Mabel, and their class go on a camping field trip to gravity falls (after the show) they're in middle school 8th grade. The class gets lost in the woods and they see weird creatures (Dip and Mabel already have seen them before) Dip and Mabel have to lead them out of the woods. They come across a cabin in the woods Dip gets a weird vibe from it and tells them not to go in but the grown up decide to knock to see if anyone is there and out comes Bill who tags along with them but Dip doesn't know it's Bill. The whole way Dip is suspicious of him. But a new threat is rising and Bill is the only one that can help them (for plot reasons) will they be able to get the class out of the woods before the threat attacks.
