A period drama film, depicting Joseon Dynasty in Korea. Kyoung-su is a skilled acupuncturist but a blind who can only see a little at dark. Right after Kyoung-su joins King Injo's medical team, the prince comes back after 7 years of living in Chung dynasty. Due to a long journey coming back, the prince becomes ill, and the king's doctor brings Kyoung-su to heal him. But while Kyoung-su is doing his work, he finds out the king's hidden secret which might change everything that the king owns. Could Kyoung-su be able to save everyone and himself?
류준열
as Cheon Kyoung-su
유해진
as King Injo
최무성
as Lee Hyung-ik
조성하
as Lord Choi
박명훈
as Man-sik
김성철
as Crown Prince Sohyeon
안은진
as Consort Jo
조윤서
as Crown Princess Kang
이주원
as Seok-cheol
김예은
as Court Lady Seo
정석원
as Captain of the guard
류성현
as Senior physician
