While investigating a murder in the old city, Public Security investigator Song Xingye uncovers a hidden conspiracy. Teaming up with his tech-savvy assistant Zhen Na, tough police officer Shang Wei, and the mysterious heiress Zhao Qingyun, he races against time to expose the truth and stop a looming coup.
Li Jingmu
Mei Baolai
Chen Pengwanli
Liu Zhiwei
Cao Wanjin
