The Emperor: Owner of the Mask (2017)
The Emperor: Owner of the Mask (also known as Ruler: Master of the Mask) is highly promoted as a young period drama, and it was most likely one of the most popular historical dramas in which Kim So-hyun featured. The plot revolves around Crown Prince Lee Sun (Yoo Seung-ho) and his struggle against a rich group that manipulates and controls power and influence in Joseon. While disguised as a commoner, he allowed a commoner named Lee Sun (played by Kim Myung-soo) to take over his palace responsibilities and act on his behalf when he was outside the palace.
He encountered a lovely lady, Han Ga-eun (played by Kim So-hyun), while trying to combat political opponents, but in order to win, he required the support of a wise and brave woman, Kim Hwa-gun (played by Yoon So-hee). The performers are extremely good, and their abilities are what keep you watching this drama. Of course, spectators love seeing their gorgeous Kim So-hyun dressed as a noble agassi!
Detailed information:
Starring: Yoo Seung-ho, Kim So-hyun, Kim Myung-soo, Yoon So-hee
Original release: May 10 – July 13, 2017
Link to watch: imdb.com/title/tt6201920/