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.
| Actor | Role |
|---|---|
 Peng YusiZhang Xiaozhi | Zhang Xiaozhi |
 He QiweiQian Yan | Qian Yan |
 Dian WenNot listed | Not listed |
| JJun LiNot listed | Not listed |
| XXu ZhenyiNot listed | Not listed |
| KKim BaiNot listed | Not listed |
 Chen YajingYang Ling | Yang Ling |