Unknown Number A

This work tells the story behind each case or thing. Private detective Fang Qiu appeared at the scene of the crime every time and became the first witness, which made police officer Li Yi suspect that Fang Qiu was related to the cases in the past few days and was listed as a key observation object. Fang Qiu and the others used the GPS navigation system to trace that the source of the signal was a public phone box from Imperial City. Someone wanted to frame him. At the same time, another bizarre case occurred in Imperial City...