Forensic doctor Che Suwei, gentleman detective Gu Yuan, Deputy Inspector Kang Yichen, and lively reporter Cao Qingluo navigate a web of conflicting forces as they work together to solve a series of strange and mysterious cases.

• Dong Xuan
• Jason Koo
• Su Xiaoding
• Yanbei Lu
• Kitty Zhang Yuqi
• Qiao Zhenyu
• Cui Peng
• Wu Xiaomin