Champion the Cause of Justice

After getting tricked by Jiang Xiu, Li Nai finds out that Li Ya is Jiang Jie's sister, Jiang Xiu. When they meet again, Li Nai is holding a grudge against her. Jiang Xiu challenges Li Nai to compete against each other with their sense of smell. Li Nai's sense of smell is a talent that she's proud of. But she loses to Jiang Xiu who's labeled as a genius.