Retrieving the Divine Sword to unlock the gate of time, Lee Ahn, trapped in the past and attempting to stop the escape of an alien prisoner locked in a human body, searches for Thunder and makes her way back to the future. Meanwhile, a weird presence in Mureuk's body disturbs him. A blind swordsman wants to take the rumored divine sword to open his eyes. Jajang wants to claim the divine sword. In the present day, a number of people are killed by "Haava", an alien substance detonated by an escaped alien prisoner. With only 48 minutes left before all the explosion, Lee Ahn must open the gate of time, return to the future, and stop the detonation. Finally all the secrets are revealed.