Once upon a time, there were two large mountains named Wangwu and Taihang, which blocked the way in which Yu Gong and his villagers go out. Therefore, Yu Gong decides to lead his family to remove the two mountains. The god of the mountain ridicules Yu Gongs behavior, and Zhi Sou also doubts his method. However, Yu Gong is very persistent, and goes on trying to remove the mountains with the villagers. Emperor of Heaven is moved by his behavior, and sends two gods to remove the two mountains.