Bureau of Civil Investigation's Extraordinary Records (Complete 8 Volumes).

Summary

In a prison, Sun Pang Zi's gunshot echoed, prompting guards to rush in. They ordered inmates, including Sun and Ximen Lian, to squat down and searched them. Despite Sun carrying concealed weapons, nothing was found. A guard suspected foul play upon noticing a burned spot on the ground. Sun cleverly deflected suspicion by claiming it was from outside firecrackers. The warden intervened, downplaying the incident. Later, Sun requested a current prison floor plan and assistance from the warden, hinting at a deeper issue involving a ghostly entity known as Gui Sha. The conversation revealed the significance of night-walking ghosts, raising concerns about their unusual appearance in the prison.

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