Though Gu Yong does indeed own the Blood sword, matching the description of the murder weapon, his right hand is rendered useless, and the murders were committed by a left-handed person. Cai Wei, Pan Yue, and Master Zhuo return to Relief House for more clues. While Master Zhuo stalls Gu Yong, Cai Wei’s and Pan Yue’s investigation leads them to a room that triggers Pan Yue’s panic attack.

The show’s own verdict is on its page.