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
Reviews
MamaGravity
good back-story, and good acting
Breakinger
A Brilliant Conflict
Seraherrera
The movie is wonderful and true, an act of love in all its contradictions and complexity