Overview
With the background of security volunteers, the film will lead the audience into the life of old Beijingers and get a glimpse of the living conditions of such a group of "mysterious" people in the city of Beijing.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
 | 23 | 32 | |
 | - | - | |
 | 41 | 50 | |
 | - | - | |
 | - | - |