Four criminal policemen from the police academy, Shen Liangyu, Gu Shengyan, Qin Jin, and Qi Shi, were assigned a difficult anti-drug task by their superiors. They were extremely capable and worked together to jointly detect the case. They were getting closer to the truth step by step, but found out that there was a huge conspiracy of capitalists behind it...
The upright captain Gu Shengyan × the paranoid and arrogant team member Shen Liangyu
Doctor Qin Jin × Black Cut Black Genius Qin Shi
Purpose: Break the darkness