There was an armed robbery at Jiufu Jewelry. Jiang Xue, a ballistics expert, discovered after investigating the scene that the gun used by the robbers in this robbery came from the same gun as the robbery in Fu 'an seven years ago.

After the robbery progressed, Zhang Bureau asked everyone to carry a gun, even the painter had to carry a gun.

Shen Yi couldn't shoot, and Du Cheng was a little worried, so he took Shen Yi to practice first and taught him how to use guns.

Du Cheng is checking the surveillance and looking for the whereabouts of the gangsters. I didn't expect He Rongyue to make new discoveries at this time.

He Hong reported to the police station that her husband Mu Wei was missing and provided some information about related items. He Rongyue found Mu Wei's blood, just like the blood left at the jewelry scene. With any new discovery, Du Cheng immediately took people to Eric's home to search, but he didn't expect to find some new clues.