At the end of the Qing Dynasty and the beginning of the Republic of China, Uncle Ying and his apprentices practiced medicine to save the world and to eliminate evil spirits and appease the souls. When they arrived at the outskirts of the town, they happened to encounter a ghost marriage on the street. Zombies appeared and took the opportunity to harm people. The master and his apprentices risked their lives to save the beautiful bride in red in the coffin, but were involved in a serial killing case of zombies in a lonely grave. With the support of the police department, they launched an emergency investigation. People died tragically one after another, and the greedy and lustful bully Huo Dayou became the next target to be hunted. Uncle Ying deduced that the deaths were related to an unjust case in the late Qing Dynasty, and he performed a ritual to fight against the revengeful zombie. The mystery was complicated, and good and evil were fighting. Can Uncle Ying and his team wash away the injustice of the deceased and restore peace to the town?