Sun Joo wants to go to Mt. Jiri with her boyfriend Kyung Woon, but because of Kyung Woon she can't go. Sun Joo is disappointed and drinks alcohol. At that time, she happens to meet writer Joon Ki. Sun Joo is attracted to Joon Ki. They kiss on the first day they meet. After the kiss, Joon Ki suggests that they go see the morning sea together. Sun Joo accepts, but when gets to the car she finds Joon Ki's friend Dong Soo in the car. As the sun rises, Joon Ki acts strangely. Sun Joo becomes frightened by his weird behavior and Dong Soo also makes her uncomfortable. Sun Joo wants to go back to Seoul, but they go to see Joon Ki's friend in Gangneung. To get away from them, Sun Joo contacts her friend Myung Hee who lives also in Gangneung. Sun Joo finally gets to Myung Hee’s house, but Sun Joo doesn't know there is a monster more strange than anyone else in Myung Hee's home.