About the film
The Good Son: The Life of Ray "Boom Boom" Mancini is a 2013 American documentary about the life of boxer Ray Mancini, with an emphasis on the Kim Duk-koo contest, with its denouement based on Kim's partner Lee Young-mee and son Kim Chi-wan visiting Mancini in his Santa Monica, California home.
From the film's Wikipedia article (CC BY-SA 4.0).