The oriole is behind! Trailer

One summer night 10 years ago, police officer Yuan Wenshan (Feng Shaofeng) ) received a robbery and murder case. During the gradually in-depth investigation, the suspects present at the scene that night emerged one by one. However, the truth of the case was far from being as simple as it appeared. Three cases were running in parallel, and a contest between interests and justice intensified. What were the intentions of the people involved? Is it a battle between love and law, or is it driven by desire? Just when the case was getting closer, Yuan Wenshan discovered an important clue that he had ignored...