Crown Prince Yi Gak finds that he has been transported from the Chosun Dynasty to modern-day Seoul. He meets Hong Se Na, who bears a striking resemblance to his dead wife, and is determined to solve the 300-year-old mystery of … Park Yoo-chun, Han Ji-min, Jeong Yu-mi, Kim So-hyun, Lee Tae-sung, Jung Suk-won, Choi Woo-shik Added on Netflix 2022-04-21.