Anna is a strong willed woman who fears to love again. Iker is a conceited man who has never loved. After they meet nothing will be the same. Danger lurks behind the shadows. Will they find out? Will their bond be strong enough to withstand everything?

Seven University students from Seoul, go on this quest to do research on famous historical deaths and murders for their month of October project, though these events may cause problems from both the school and neighborhood, these seven students will stop at nothing but to get their hands on information for their project, seeking interest in these events will things go wrong? Or right for them? The real question is... "Do you believe in spirits?"