The story tells that during the Republic of China, Zhang Xiaozhi, Qianyan and Yangling were threatened by the riot warlord Li Yufei and forced to go to the Shenlong Underground Palace to solve the thousand-year secret.

Qiu Qichen and his friends arrive to Hongshan Village in Hainan. The village is where Li nationality lives, and friends fall in love at first sight with Aya, a Li girl. The three friends try to win Aya's favour, causing a ruckus after another.