Kang Mo-yeon is a fictional character from the popular South Korean television series Descendants of the Sun. She is portrayed by actress Song Hye-kyo and is a skilled and dedicated surgeon. Throughout the series, Kang Mo-yeon navigates her professional challenges while developing a romantic relationship with Yoo Si-jin, a captain in the South Korean Special Forces. Kang Mo-yeon's character is known for her strong moral compass and commitment to her patients. Her journey highlights themes of love, sacrifice, and the complexities of life in a war-torn environment, making her a relatable and inspiring figure for viewers.