Overview
Xiao Erdong, a young man with a congenital disease but a "marathon dream", Xiao Daming, a taxi driver who stubbornly forced his son to preview the "life of the blind", father and son who do not understand each other, But in a marathon, they "exchanged identities" and stood side by side on the starting line
| Actor | Age then | Age now | |
|---|---|---|---|
 | 52 | 56 | |
 | 26 | 30 | |
 | 43 | 47 | |
 | 24 | 29 | |
 | 27 | 31 | |
 | 38 | 42 | |
 | 52 | 56 | |
 | 57 | 61 | |
 | 31 | 36 | |
 | 23 | 28 |