As One is a 2012 South Korean sports drama film starring Ha Ji-won and Bae Doona. It is a cinematic retelling of the first ever post-war Unified Korea sports team which won the gold at the
1991 World Table Tennis Championships in Chiba, Japan. Director Moon Hyun-sung used the foundation of true events to tell the story of a team that united a divided nation for the first time in its painful history.
Not exactly the Olympics, but similar sentiment.4

A link to the film on DramaFever:
https://www.dramafever.com/drama/4779/As_One/