"Gu Ying Xun Shen: The Pursuit of the Mystery" is a gripping and suspenseful novel with two male protagonists. It tells the story of forensic doctor Gu Mingyuan and mysterious private detective Lin Shen teaming up to track down the truth about the "Madame Butterfly" organization. Twenty years ago, Gu Mingyuan's father disappeared in a bizarre case, leaving only a body engraved with a butterfly mark. Now, a similar case happened again. During the investigation, Gu Mingyuan met Lin Shen, whose identity was a mystery. The two went from being suspicious of each other to fighting side by side, and gradually uncovered a shocking conspiracy involving human experiments. As the investigation deepened, they discovered that Gu Mingyuan's father was actually an important researcher of the organization, and Lin Shen was his undercover agent placed within the organization. In life and death crises one after another, the two men established a deep trust and bond. However, the truth is far crueler than imagined: Gu Mingyuan's father died protecting research data, and Lin Shen also gave his life to protect Gu Mingyuan at the last moment. This is an adventure about truth, redemption and sacrifice. Two men interpreted the meaning of protection with their lives. In the layers of fog, only the secret words of butterflies guide them to the final truth.
