S2E54 - The Window That Showed My Sister Leaving

Luna sits across from a version of herself who never entered the well, in a replica of her grandmother's kitchen. The spinning wheel woman offers a final bargain: trade knowledge of the curse to unmake it, but lose her sister forever. Through the window, Luna watches her sister walk away into a field of music boxes. The replica kitchen begins to crack, and Luna realizes the choice was already made. She follows her sister into the field, where the music boxes play a lullaby that remembers a different childhood. At the center, she finds a grave marked with her...