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.

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