Back at home, Cai tells his son to eat the fish first. Cai is worried about his son's health, but he doesn't want Cai to worry about his own health. Cai tells him to go to his father's room and wait for him to come back. Cai and Cai's son go to check on his father, and Cai tells Cai to feel his pulse. Cai says that he has sealed his veins with a pin to prevent the spread of poison, but that if the poison does not get rid of itself in time, the tendons in his veins will break and the poison will spread throughout his body.