Hanbo coal mine in Taebaek # Descendants of the Sun: The K-Drama That Launched Hallyu Onto the World Stage ## The Story Captain Yoo Si-jin (Song Joong-ki), leader of a special forces alpha team, and Kang Mo-yeon (Song Hye-kyo), a thoracic surgeon, meet by chance and feel an instant pull toward each other — but their worlds keep pulling them apart. Then a massive earthquake strikes the fictional country of Uruk, and the two are sent to the same disaster zone: Yoo Si-jin with his unit, and Kang Mo-yeon with a medical relief team. Reunited in the middle of a crisis, their story unfolds alongside a second romance between Sergeant Seo Dae-yeong (Jin Goo) and nurse Yoon Myung-joo (Kim Ji-won) — blending romance, disaster, military life, and medicine into one story. ## Why It Became a Phenomenon Descendants of the Sun was co-written by Kim Eun-sook and Kim Won-seok, based on a 2011 story originally centered on Doctors Without Borders. It was Kim Eun-sook's idea to turn the origina...