After coming so far from the start of their journey, Luna and Vichi find themselves in more trouble than ever. As a supernatural force sends both monsters and duanimus alike after her, Luna begins to wonder if her people truly are evil at heart like the humans claim. Meanwhile, she watches as Vichi struggles with the guilt of abandonning her village, and they both question their increasingly complicated feelings about home, the future, and their beloved partner. Continuing to travel despite the opposing forces, the two continue to search for clues regarding the origins of their people and Vichi's missing human soul.