Under this prosperous city called "Jianghai", there is an unknown world of cultivation hidden. Modern technology and ancient Taoism coexist. In the shadows of high-rise buildings, there may be spirits who have practiced for thousands of years dormant.
Wu Youcheng, a courier who just wants to "lie down", has the ancient ferocious beast "Chaos" sealed in his body. He walks on the tightrope between delivering express and suppressing power every day, fearing that if his mood fluctuates, it will turn into a walking disaster.
Li Shuhua, the daughter of the Li family of a cultivation family, has a "pure yin body" but wants to escape from the family and longs for an ordinary life. Her special physique is the "excellent furnace" coveted by countless cultivators.
