Fionna live in a small village, no one notices her, no one even knows her name, but she has a dark secret, one that no one will like. She is the mystical hero that savior of their village. How can she become one of the greatest heroes ever in an age where women can't do a man's job? Will anyone be able to comprehend the quiet girl is actually the greatest hero Aaa has ever seen?

Set a few years after the true ending, Aya and Maria open a new clinic in the forest, continuing her father's work. Meanwhile, in a nearby town, a newcomer arrives, and the villagers turn to the stranger to find out who's responsible for the disappearance of several people.