Why did Qiu Society ask Qu Jianghe for help in "The Eleventh Floor Lost"?

The overall score of the eleventh floor that disappeared is 2023 /

Qiu Society took the initiative to contact Qu Jianghe for protection, he has evidence of murder in his hand ; Because of Geng Min being bumped, many cases related to Hezhong were drawn from Geng Min , Geng Min has been busy with the demolished households, but now the demolished households have moved away one after another. It is inseparable from Hezhong's troubles behind the scenes, and Geng Min filed a lawsuit for an old lady's daughter many years ago. Later, the old lady's daughter If he died, the case was shelved.

Geng Min's son is actually Xia Zhongtian, because his parents divorced since childhood, Xia Zhongtian has no affection for his father, Geng Min. After Yan Ge learned about the situation, she asked Fang Jie to go to Mayu Village to find out the situation. The two of them came to Mrs. Jin's residence, and after explaining their intentions, the old lady heard that they were in the same system as the Jindao Public Security Bureau, and kicked them out with a broom. Yan Ge guessed that the old lady had something against Jindao. Qu Jianghe, who was investigating in the woods, received a call from Qiu Society, saying that someone was going to kill him because he had evidence of their killing. At this time, according to the location of the phone, Qu Jianghe came to an abandoned factory building.