In the duck pen, Dalong, who claims to be a breeder, is chasing the ducks.Doctor Wang and Li Yan accidentally found the duck that swallowed diamonds under the entrustment of Dalong.After everyone returned to the office, they were surprised to find that Dalong and his two men were both fugitives wanted by the police, and the diamonds were stolen goods.Dr. Wang successfully escaped with the duck with the help of Li Yan. Dalong was furious and hijacked Li Yan, Zheng Zheng, and Professor Wang, forcing Dr. Wang to hand over the diamond.