Walk Run Cha-ChaWalk Run Cha-Cha is a 2019 American documentary short film directed by Laura Nix of The New York Times, which distributed the film.PlotThe film follows middle-aged Vietnamese couple Paul and Millie Cao preparing for ballroom dancing in suburban Los Angeles 40 years after their separation due to the Vietnam War.Accolades Nomination 2020: Academy Award for Best Documentary (Short Subject)