According to the Korean Film Council, Oh! My Gran topped the list of Korean films with a reservation rate of 27.7 percent (as of 9:40 a.m. KST). Oh! My Gran is about Moon Hee, a granny with AlzheimerŌĆÖs disease and the only witness to the hit-and-run accident, and her son Du Won tracking down the culprit with the little evidence and Moon HeeŌĆÖs might-be-meaningful gibberish. The fact that 79-year-old actress Na Moon Hee challenged her first action genre made headlines, and Lee Hee JoonŌĆÖs comeback as a friendly and charming character drew attention. https://www.youtube.com/watch?v=-kBDeuAf7nc Source (1)