This cartoon about the adventures of a boy whose name is a dipper and his twin twins .They arrived in the town of Gravity Falls, California on vacation to their great uncle.Once a dipper, developing indexes in the forest, found a diary.The author of this diary disappeared many years ago. This is the beginning of all his adventures.They with the sister and friends saw the Zombies and ghosts and even small little men who actually were revived balls for a golf!To learn more about this, it is better to watch a cartoon or read a book.