Light in the Dark

Fang Zheng, captain of the Criminal Investigation Brigade, is a criminal police officer with twenty years of criminal investigation experience. Jiang Xu, an intern who just graduated from the police academy. The two met because of Jiang Xu's father's background. What is the truth about the unsolved case twenty years ago? What truth are concealed by the endless new cases? Who is blocking the truth from coming to light? In the darkness, the two helped each other and lit up the lights that illuminated the road ahead...