Alienoid

For ages, aliens have locked up their prisoners in humans bodies.

OverView :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.

Ryu Jun-yeol

Kim Woo-bin

Kim Tae-ri

So Ji-sub

Yum Jung-ah