The film will follow Princess Songhwa, who refuses her fate to marry one of four suitors. While Seo Do-yoon, skilled at interpreting marital harmony signs is selected as the person to ascertain her best match.

In-Soo (Kang Ha-Neul) has a special gift to see ghosts and has become isolated from other students because of this. He transfers to a high school in a rural area outside of Seoul. There, In-Soo meets a female ghost (Kim So-Eun) at the high school and forms a friendship with her. Meanwhile, classmates disappear one by one.