As he recovers, Yeon opens up to Ji-a about his first love. Rang and Ki Yu-ri are unable to ignore a creature that is crying out for help.

Worried that Ji-a might not be safe without her fox marble, Yeon insists on keeping a close eye on her. Rang loses his special eyeglasses.

The eyeglasses give Ji-a a peek into her tragic history with Yeon. A woman in green traps Rang and Ji-a inside their own minds.

Inside the forest of demons, Rang and Yeon fight to survive. Elsewhere, Ji-a begins to forget reality as she gives into a fantasy.