Back to 1970s, people were trying to be rich by using lottery. It was so ominous how they got the number by working with evil spirits. Many ways were done to do that, like took evil spirits as hostage by stealing their tombstones. They would give back the tombstones as the bribe to get the correct lottery number. However, a village is in chaos when the evil spirits terrorize them. It's a warning sign for those who keep evil spirits in captive for wealth.