This film is based on the novel The Story of Honkg Gil Dong written by Ho Gyun in the 17th century. Gil Dong is a young man gifted with unusual skill and ability, he learns magical arts from Mu Ong and becomes a master. He will create resistance against the nobility system, while trying to recover his family and protect the woman he loves.
Unfortunately the movie Hong Gil Dong Against Black Ninjas is not yet available on HBO Max.