, released internationally as Northern Limit Line , is a 2015 South Korean war film directed by Kim Hak-sun. It depicts the real-life Second Battle of Yeonpyeong , a naval skirmish between North and South Korean patrol boats that occurred on June 29, 2002. Historical Context
The film became a major commercial success in South Korea, resonating deeply with audiences for its emotional portrayal of the young sailors' sacrifices. Yeonpyeong haejeon(2015)
The film spends its first half developing the camaraderie and personal lives of the crew on the Chamsuri 357 before transitioning into a visceral, real-time depiction of the battle. Key figures include: , released internationally as Northern Limit Line ,
Director Kim Hak-sun utilized 3D technology (supported by a grant from the SK Arts Council) to create an immersive experience of the chaotic maritime combat. The film spends its first half developing the