Descendants of the Sun (2016)

A love story that develops between a surgeon and a special forces officer. Kang Mo Yeon is a pretty and assertive woman who works as a cardiothoracic surgeon at Haesung Hospital. She isn't afraid to admit her mistakes and believes that capability overrides whatever connections you have. However, she is soon faced with the reality that she cannot advance with just capability. Her life is forever changed when she encounters Yoo Si Jin, the Captain and team leader of the Alpha Team who cares more about protecting anybody in need of help as well as his country, even if it goes against the order of his superiors. It tells the story of how they both bond together in a time of war and overcome the odds against them. (Source: AJ at MyDramaList)