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.

Science Fiction, Action, Fantasy, Adventure

Ryu Jun-yeol, Kim Woo-bin, Kim Tae-ri, So Ji-sub, Yum Jung-ah, Jo Woo-jin