After people die, their souls return to the underworld. They must walk on the Sansheng Bridge, drink Meng Po Soup, and forget their past lives before they can embark on the next life.
Ji Chen is the guide of Sansheng Bridge. He delivers food in the human world during the day and holds lanterns in the underworld to attract souls at night. He had seen too many separations between life and death, and had heard the regrets of countless souls before they departed. He thought he had already become as hard-hearted as iron.
Until a living person named Liu He accidentally broke into Sansheng Bridge.
