The Yellow Sea (Korean: 황해, Hwanghae ) is a 2010 South Korean action-crime thriller directed by Na Hong-jin, the acclaimed filmmaker behind The Chaser (2008) and The Wailing (2016). The film is renowned for its raw, unflinching portrayal of desperation, violence, and moral decay. The term “Vietsub” refers to the version of the film that includes Vietnamese subtitles , making this complex, dialogue-driven thriller accessible to Vietnamese-speaking audiences. Plot Summary The story follows Gu-nam (played by Ha Jung-woo), a ethnic Korean-Chinese ( Joseonjok ) taxi driver living in Yanji, China, near the border of North Korea. Burdened by debt and haunted by the disappearance of his wife, who went to South Korea to earn money, Gu-nam sinks into a life of hopelessness.