Dipper, Mabel and Wendy fall into a mysterious lake behind a wall in the mystery shack. Stan uses theme as tourist attractions but little do they know that they are being watched. And. I don't own gravity falls. It belongs to ALEX HIRSCH blah blah blah. So on so forth.

THIS STORY IS INCOMPLETE AND WILL NOT BE UPDATED. After Dipper's encounter with Bill Cipher, a dream demon, strange things start happening to him and the other residents of Gravity Falls.