Ji Gun-woo

The door of time opens between the swordsman who wants to seize the legendary divine sword at the end of the Goryeo Dynasty and those who chase after an alien prisoner imprisoned in a human body in 2022.

Three different swordsmen -- a swordsman who is going blind, the best swordsman in Joseon Dynasty, and the best swordsman in Qing Dynasty who aspires to be the best even in the Joseon Dynasty -- meet each other for their own reasons.