A heart-transplant surgery gave Li Qing a dual personality. The hidden personality with reasoning ability led Li Qing into a series of serial murder conspiracies. In order to help his friend Li Qing find out the secret hidden behind his reasoning personality, the reasoning genius Black Crow formed a campus genius crime-solving duo with him. A classmate was kidnapped, the class teacher was killed, and the strange and mysterious senior Chen Shuwei. The seemingly unrelated fragments of clues actually connected into a thread, pointing to a mysterious organization called "Mahjong Tiles". What organization is "Mahjong Tiles"? Why was this serial murder carried out? Who is Li Qing's true identity? Behind the mystery there is a mystery, and there is more than one truth.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.