Park Sun-ah, an ordinary-looking high school student, works as a shaman in her free time and has achieved success in this field. One day, a grandmother and her grandson, Kyung-woo, come to see her, and Sun-ah falls in love with Kyung-woo at first sight. However, she also sees that he will soon die. The next day, Kyung-woo transfers to her class, and Sun-ah decides to save him from death at any cost.