Ninth World of Darkness

What is the reason that makes more and more people deviate from their original aspirations and go further and further down the road of no return? There is a shocking secret hidden behind countless confusing cases. Chen Shen from the police station, Lu Xiaoqi, a forensic doctor who had just returned from China, and others formed the four detectives and led everyone to uncover the truth step by step. In the dark period of the Republic of China, they became a bright sunshine in the hearts of the people.