Chapter One: We're Back

After eight years, twins Dipper and Mabel Pines have finally returned to Gravity Falls to spend another summer with their Grunkle Stan.

But something isn't quite right. Dipper has been having horrible nightmare and terrifying visions that he can't quite explain. He doesn't know what's wrong, but it might have something to do with the demon that pestered him back when he was just a child...