Linzhou Mystery Case

In the autumn of 1933, Linzhou City in the rain. Shen Mobai, a psychology scholar who returned from studying abroad, learned that his mentor Chen Bonian died mysteriously in a locked study room. The official conclusion was that he committed suicide. He couldn't accept this fact. At the funeral, he found a jade cicada in his mentor's clenched hand that shouldn't exist - this was closely related to a mysterious legend called "Mirror Abyss". And the suicide note with neat handwriting and no flaws was more like a carefully copied copy. During the investigation, he met Inspector Lu, who had sharp eyes and did not believe in ghosts and gods. The two are both enemies and friends, and in the fog filled with the fragrance of ink and conspiracy, they work together to explore the truth. On a rainy night, jade cicadas serve as guides. What they have to face is not only a complex mystery, but also an unfathomable human heart. When the gears of fate begin to turn, who is the person who "thinks he has seen the light"?