There are five realms of heaven, demons, humans and the underworld. Yan Nian is a ghost in the underworld. Every day I send wandering souls from one end of the Nai River to the other. Watching the wandering souls coming and going, I may exhaust all my strength but still not be able to wait for the person I want to wait for. Then he is willing to spend thousands of years waiting for a result. He was originally a civil servant from Hades who worked diligently and cautiously on the front line. He had outstanding work performance and was praised by his colleagues and highly praised by his leaders. The exploitative leader suddenly showed kindness and gave him a chance to take a rest? The little word in his heart that will never become scarred, his lost memory of the world, are slowly recovered...