On a snowy night, a major case broke the tranquility of Xiaoqingshui Town - a family of four in the old house at No. 23 Qingshui Street was tragically destroyed. One of the Sugita couple died and the other was injured, and a pair of lovely twin daughters lost their young lives. Morimoto Masaichi, the patrol chief of the Shari Police Station, has never experienced such a major case in his career. Just when he thought he would retire in such an ordinary way, the wheel of fortune began to turn unexpectedly. And Morimoto Masaichi, an old man who is about to retire, can cooperate with the Yamato Police Department of the Investigation Section 1 to see through the truth of this snowy night mystery case? And are the suspects who come into the police sight one by one really the instigators of this murder? Let's follow the text and enter the town of Koshimizu in February, and explore this regrettable and sad snowy night mystery together.
Concept: An unexpected case breaks the tranquility of Xiaoqingshui Town, and everyone's different reactions seem to reveal human nature. The case itself may not be complicated, but perhaps what is really complicated is the human heart.