Zero to Hero (previously known as On Your Mom, Get Set, Go!; Chinese: 媽媽的神奇小子) is a 2021 Hong Kong biographical sports drama film directed by Jimmy Wan. The film is based on the true story of medal-winning Paralympian So Wa-wai, who overcame personal and physical struggles with the help of his mother to emerge a winner.

The film has its premium at Far East Film Festival at Udine on 1 July 2021 and was later released in Hong Kong on August 12, 2021.

The film was selected as the Hong Kong entry for the Best International Feature Film at the 94th Academy Awards.