A math genius gets recruited by Chinese spy agency to crack a complex coded message in the early republican era.
劉穎
Zhai Li
陳學冬
Rong Jin Zhen
Jing Chao
Zhao Qi Rong
张哲瀚
Han Bing
印小天
An Neng
郭京飞
Zheng Dang
王燕阳
Pan Sen
Ady An
Shen Yu Er
于波
Lu Run
Yang Yitong
Yan Shi
Wang Tonghui
Liu Yi Ping / Leader Qi
