The focus of the story is on a young girl named Nam Hong-ju, who possesses supernatural abilities. In her dreams, she often manages to find answers to her questions and sometimes sees the future of others, even people she doesn't know. One day, Hong-ju dreams that an unfamiliar man dies in a shootout. She rushes to his aid and saves him from certain death. This man turns out to be prosecutor Jung Jae-chan. Upon learning about her abilities, he asks her to help the police with an investigation.