Solving the Case is Slightly Bitter, My Sister is Super Sweet.

Summary

Summary: In a high-end residential area, Lin Xuan and Zhao Qiang investigate a mysterious case involving a child who claims his father killed his mother. At the crime scene, Lin Xuan detects no blood traces, suggesting no murder occurred. They visit the child's grandmother, where they find the boy in an unusually lifeless state. Psychological expert Master Qian examines the child and determines that someone has deliberately altered the child's mental state through unknown means, marking a significant breakthrough in the investigation.

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