Zhao Ziqian's phone rang suddenly, and he answered it immediately. Seeing his face darken at a visible speed, Chi Yangyang guessed that there might be a new case.

Sure enough, Zhao Ziqian hung up the phone and said immediately: "Jiang Zhen, Yang Yang, I have to trouble you two to come with me again. There is another murder case in Cangshan District. "

In three days, three murders happened in Cangshan District.