Plot
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.
Cast
Hans Zhang
as Hua Long
Eric Tsang-Chi Wai
as Liang Shu Ye
Jim Yu
as Bao Zhan
Zhang Yamei
as Su Mei
Dai Tingrui
as [Professor Liang's assistant]
Zhang Haocheng
as Mai Xi
Sun Shuang
as Zhong Xian
Fu Jun
as Cheng Yi
Wang Xuan
as Zhao Qian Qian
Gao Yuan
as San Chui