CHUN has worked out a medical soup with field mice. He even tries out the soup himself so that other patients will drink it. His condition has turned bad. Bedridden, he expresses his love for CHING. Though she is touched, she dares not accept him. Not long after, the soup starts to show its effect and CHUN is much better. The situation is finally under control. Magistrate LAM takes all the credits and is reprimanded by the villagers. In order to regain the support of the villagers, HIN suggests LAM applying for funding from the government, which he means to give to the victims’ families. Seeing that drugs store made mistake in prescribing and that merchants selling fake medicine during the break out of the epidemic, CHUN decides to edit the old medical books and write a comprehensive one, which he names the Compendium of Materia Medica, so that people can know real medicine from fake ones……