Final Chapter of the Extraordinary Records of the Civil Investigation Bureau.

Summary

In this narrative, Sun De Sheng and Che Qian Zi are in Hangzhou, investigating a mysterious button's origin. While searching for accommodation, Che Qian Zi encounters an elderly man with dementia who believes Che Qian Zi is his long-lost uncle. Initially skeptical, Che Qian Zi is persuaded by the man's sons, who show documentation proving the man's medical condition. Reluctantly, Che Qian Zi agrees to accompany the family, temporarily playing the role of the man's uncle to calm him down and help his distressed sons manage the situation.

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