A group of unlikely heroes from across the Korean peninsula try to save the day after a volcano erupts on the mythical and majestic Baekdu Mountain.
Drained from her life in the city, a young cellist moves to a quiet small town, where she encounters an old friend who helps her heal and remake herself.
Children who live in hiding with superpowers, along with their parents who live with painful secrets of the past, face enormous dangers together.