Answer
Beethoven Virus is a 2008 South Korean medical drama starring Jang Keun-suk and Park Eun-bin. It aired on KBS2 from January 23 to April 17, 2008 on Mondays and Tuesdays at 21:55 for 20 episodes. The drama tells the story of a man who suffers from a rare heart disease and a woman who becomes his heart donor.