In a remote mountain village called "Cheonuri," a mysterious creature known as a "Dokkaebi" (a supernatural being) resides. After the death of her grandmother, her only family, Seunghyo decides to visit a rural health clinic in Cheonuri to soothe her empty heart. Upon arriving in the village, Seunghyo gets lost and meets a village youth named Bong. Although he helps her, his cold and mysterious demeanor leads him to advise her to leave the village as soon as possible. "Seunghyo, do you believe in the existence of non-human beings?" Gradually, the secrets hidden behind the simplicity and kindness of the villagers and the peaceful atmosphere begin to surface. Amid her confusion, Bong extends his hand to help Seunghyo once again, but... what truth is hidden in Cheonuri village?