Act 30 opens with a flashback to the time when the undead were terrorizing the people of Sanchuan. In this time, the undead have killed forty people in the town, and many of them have been mutilated and sucked dry by the blood of the undead. This means that two undead prey on the people, and one of them is the son of Master wu, who was one of the victims. The father of the young master explains that he killed his son because he was unable to feed him for three months. The hunger made him unable to think rationally, and it led him to the decision that his instincts wanted. He implores the other undead to avenge his son and destroy the evil undead.