Gravity Falls: The hunt for the stone of resurrection

13 years have passed since Dipper and Mabel left Gravity Falls. Many things have changed. Dipper is visited by a person from the past and finds out that he is the only one who can save the world from Bill. His path to truth will be thorny. Will he be able to defeat his old enemy and save the people he loves? Can he come to terms with the past and close it off?

P.S. Please English is not my native language for any mistakes I apologize