Qin Chuan said that he became a detective to catch crimes, and Wen Qing said that she became a detective to atone for her sins. Facing the mystery, they work together to solve it, not for honor, but for the sake of peace and quiet in the years. When the past is revealed, all feelings come to an abrupt end. One side is sin, the other side is love. She left the city because she couldn't get rid of the dream in her heart. He was dejected because he couldn't let go of the stubbornness in his heart. When she returns again, can they let go of their feelings? With the murderer caught, are things finally over? What is more terrifying than the dragon is the abyss, and what is more terrifying than the abyss is the truth.
