First air date: Jun 03, 2019
Episode duration: 00h 40m
Rating: (7.4) based on 13 votes
Status: Ended Seasons: 2
Episodes: 71
Starring: Zhang Xincheng, Zhou Yutong, Wang Youshuo, Su Xiaotong, Zheng Wei
Genre: Mystery
Set in the Song Dynasty of ancient China. Six brave and smart young men and women work together at the hidden front to keep the empire and people safe.
