First air date: Jun 20, 2016
Episode duration: 00h 45m
Rating: (7) based on 1 votes
Status: Ended Seasons: 1
Episodes: 44
Starring: Ying Er, Chen Xuedong, Jing Chao, Zhang Zhehan, Yin Xiaotian
Genre: Drama,
Mystery
A math genius gets recruited by Chinese spy agency to crack a complex coded message in the early republican era.
