Representatives of different eras continue the fight against evil aliens. In the times of Goryeo, after seizing the Divine Blade, the grown-up Ian is searching for a helper robot. A pair of mages tries to figure out who lives inside Mu-ryka's body. A blind warrior seeks a way to restore his sight. Aliens disguised as humans crave to return to the future, for which they need the Blade. In Seoul in 2022, police officer Min-Gae-in, pursuing a drug trafficker, closes in on uncovering a devious alien plot.