In truth, this investigation team really was sent because of Ning Chen. However, they hadn't initiated the trip themselves; rather, they had been invited by the four great families: Chen, Zhao, Yuan, and Yang.
There was no help for it.
Chen Yaowei, Zhao Yuanbo, Yuan Qingkai, and Yang Kaitai had originally planned to set up a fatal trap for Ning Chen at Lianhua Cemetery, intending to finish him off completely on the anniversary of his parents' death.
Chapter 77