**"Dark Night"** is a suspense mystery novel that tells the story of Luo Chen, a top student at the police academy, who accidentally got involved in the "Blood Moon Case", a serial murder case 20 years ago after receiving a mysterious letter. This letter not only revealed the unknown connection between him and the case, but also made him discover that he might be one of the survivors, and his memory seemed to have been deliberately erased.
During the investigation, Luo Chen teamed up with his classmate Lin Qingxue to trace the truth, but encountered strange events one after another: dormitory surveillance malfunctions, dolls that suddenly disappeared in the classroom, and the secret behind the police academy instructor Captain Wang. At the same time, a mysterious man "Shadow" whose identity is a mystery keeps appearing around them and seems to hold important clues to the case.
As the investigation deepens, Luo Chen gradually gets closer to the truth, but finds that his situation is becoming more and more dangerous - he is not only the key protection target of the police academy, but also the prey in the eyes of the murderer. Captain Wang's true identity gradually emerged. It turns out that the police academy has been infiltrated by a dark force...
In this battle between justice and darkness, can Luo Chen uncover the truth of the "Blood Moon Case"? Will his memory be fully restored? And how will the twenty-year-old grudge between him and Captain Wang be brought to an end?
