Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human's body. The two parties cross paths when a time-traveling portal opens up.
Stars: Ryu Jun-yeol, Kim Woo-bin, Kim Tae-ri, So Ji-sub, Yum Jung-ah, Jo Woo-jin, Lee Ha-nee, Shin Jung-keun, Yoon Byung-hee, Yoon Kyung-ho, Ok Ja-yeon, Lee Hyun-gul, Kim Hae-sook, Yoo Jae-Myung, Jeon Yeo-been, Choi Yu-ri, Kim Eui-sung, Kim Ki-cheon, Kim Dae-myung, Choi Kwang-JeShow all > Oh Chae-eun, Jang Jun-whee, Lee Dong-yong, Kim Jung-han, Kim Chan-hyung, Lee Dong-hee, Song Ji-hyuk, Ji Gun-woo, Kim Min-seo, Baek Hyun-joo, Shim Dal-gi