Zero to Hero

So Wa Wai (Leung Chung-Hang) is a boy in Hong Kong who starts out behind the other kids, with a physical disability, and his mother (Sandra Ng Kwan-yu) is the one who pushes him toward the track. Wan Chi-Man builds the film around her and the coach, Fong (Louis Cheung), who train him through the years it takes him to become the city's first Paralympic gold medallist. Whatever the race, he runs it with his mother's work behind him and her voice in his ear.