Du Wei's brother Du An was a well-known painter. He was talented and became famous at a young age, but he died in public at his personal exhibition.
The police investigated the cause of Duan's death, and Duwei, a sister with mediocre qualifications, gradually became suspicious.
Is the murderer Du Wei? Did he design all this because he was unwilling to be buried in his brother's shadow?
Break this case apart bit by bit and see who gets caught.
This novel focuses on psychology rather than reasoning, and the timeline and perspective may be a bit fragmented.
Purpose: Be a good law-abiding citizen