When quiet and withdrawn teenager Kris is paired with the menacing monster bully Susie, an unexpected trip to the supply closet takes a surreal turn. The two fall into a mysterious Dark World, a realm of shadows, magic, and forgotten legends. There, they meet the kindhearted prince Ralsei, who reveals a shocking prophecy: the trio are destined to become heroes who restore balance by sealing the Dark Fountain and saving both worlds from collapse.