Dipper is hitting the road with Great Uncle Ford to find a great, evil villain who is working under Bill's possession to cut a dimensional portal into the nightmare realm and fulfill his plan. Prepared with the biggest and most deadly Anti-Bill weapons, they go the most dangerous town ever, Echo Creek, where danger could be creeping at every corner. This is the hardest task ever to dispose of the Mind Demon for good and only a few days to do it. But when they find out Bill is definitely in this town but in the way they think, they have to crunch for time and figure this out fast. With a little help from an inter-dimensional princess and a boy, they must all work together to find the mind demon and get rid of him. But Bill is waiting, and knows there every move. *I do not own SVTFOE or GRAVITY FALLS. If I did this crossover would TOTALLY be a thing.*

Human or demon? Brooke is sent to Gravity High after her father, Bill Cipher has found a way into a human form. She eventually meets twins Dipper and Mabel Pines and makes her first friends. How will they react when they find out that she is a Cipher? Not just any Cipher,Bill Ciphers daughter...