Naeun Lee is an average woman who works as a travel guide in Korea. One day, a handsome man named Leehan Shin starts appearing in her dreams. However, this man throws her off the roof for just for bothering him! After that, every night she suffers nightmares... So she has no choice but to ask Leehan for help. Will Leehan give Naeun the help she needs, or will she just suffer another horrible death by his hands?