Contains spoilers, if you haven't seen the entire show.
Several years after the events of the show.
Dipper and Mabel return to Gravity falls,both now 17, for a summer reunion with their friends and Gruncles. However the morning after they arrive a strange boy with golden hair appears on the doorstep of the mystery shack, with no memory of who he is or where he came from. The only thing he seems to remember is his name. Bill Cipher.
(Triggers for mentions of suicide, self harm, depression, anxiety, past trauma and past abuse.)
Dipper is finally 18 and he wants to spend a few months over at Gravity Falls. So, Mabel and Dipper go and spend another summer there, but what happens if a certain Pinetree misses his demon?
Over the pasted few years Dipper starts to miss his little demon. Dipper made a plan!
Dipper didn't tell anyone what he was up too, he didn't even tell Mabel. His plan was to work with Ford to learn about the mindspace and how to open it with out making a huge hole in the sky.
Everything works out. The mindscape is only opens for a few minutes ..........
"BILL! "
From emotions, to actions and relationships.