Brought to life NaNa does not know her parents, who they are, or if they even existed. While growing up she's discovered that she carried strange powers, psychic powers. Sometimes she works with the police and other times she does miscellaneous jobs. It isn't until one day when immature Onew opens his door to find Psychic NaNa standing at his door claiming that he is in danger that his life begins to unravel before him. Annoyed and irritated with her insistent nagging that he heed her warnings they have a fight by the pool one day. After falling in they travel through time together and through this journey Onew peices his strange dreams together and finds himself with a challenge he's never confronted before: putting the past and the present together and making sense of it. Throughout this drama both sides find themselves faced with romance caught in a web. In the end, will Onew lose Nana or will NaNa lose Onew?