Described a detective game activity from the perspectives of different characters. During the meeting, Mao Lulu and Xiong Qingkun found Zeng Shuai's speech boring, and Zeng Shuai ended the meeting early due to dissatisfaction with whispering softly. Subsequently, the participants were guided to the activity room, where Xiong Qingkun and other detective characters discussed the progress of the activity, while Mao Lulu showed dissatisfaction with the activity. In the activity room, participants observed the behavior of Tan Juanjuan and Du Shushu, and Xiong Qingkun left due to stomach pain. In Mao Lulu's perspective, the calm was broken by Wen Rui's scream, and participants found Zeng Shuai lying in the office with a head injury, blood stained stones next to him, and blood stains on the walls and floor. Zeng Shuai seemed to have marked the letter "U" on the alphabet with bloodstains after being hit. The entire event is full of suspense, hinting at an imminent 'murder event'.