Sun Shuang

The play tells the story of the early days of the founding of New China. The protagonists Kang Benshan and Wang Ranqiu are workers in the Changxindian Railway Factory who grew up in the bottom "mouth" and "seam" of the ancient town of Changxindian in southwest Beijing. Craftsmen, repair the most difficult machines, build the best trains

Set in 1930s Shanghai, the drama follows Ma Tianming, a cunning conman who becomes entangled in a dangerous political conflict. After a twist of fate makes him a suspect in a case, he assumes the identity of Hengshan Hospital’s chief doctor, Cai Likun—only to discover that Cai is a member of the underground Communist Party. As he struggles to maintain his cover, Ma Tianming finds himself caught between survival and a greater cause.

Hua Long, Su Mei, Bao Zhan and Professor Liang comprise the SIG (Special Investigation Group). This group deals with the extremely abnormal and twisted investigations of homicide cases that are difficult to crack. In the process of solving the cases, each member must face their own dangers, conspiracy and growth.