C367 Missing

After the plane landed at the airport in Italy, Qin Xu and his group split into several groups according to the plan. Qin Xu stayed in City W, where the plane landed, while the other groups went to other cities near City W.

Since there were no other clues, Qin Xu could only split up and ask around in every region of the city. Recently, there were no new people who moved in or left