Answer
The answer is "Descendants of the Sun". Descendants of the Sun is a South Korean television series starring Song Joong-ki, Song Hye-kyo, Jin Goo, and Kim Ji-won. The series is set in the fictional country of Uruk, which is recovering from a war. The series follows the story of Captain Yoo Si-jin (Song Joong-ki) and Dr. Kang Mo-yeon (Song Hye-kyo), who fall in love while serving together in Uruk.