4. Saimdang, Memoir of Colors (2017)
Set in both modern-day and Joseon-era Korea, this drama tells the story of Seo Ji-yoon (played by Lee Young-ae), a professor who discovers the diary of historical figure Shin Saimdang. Song Seung-heon plays Lee Gyeom, an artist and lover from Saimdang's past, whose story intertwines with Seo Ji-yoon’s discoveries. Song Seung-heon’s portrayal of a romantic and loyal figure in a historical setting offers a unique look at his range as an actor, especially for fans of historical dramas with complex love stories.