Hwa Young has lived a realitively normal life. She lived with her sister since her parents died in a car accident when she was young. And ever since she could remember her best friend, Baek Hyun, had been there for her. Supporting her in everything, never doing anything that produced tension between the two. Until now. When Hwa Young starts to have reoccuring dreams of a mysterious, beautiful man who suddenly seams to be an actually person. She seeks her best friend for help. Yet he responds in a way she never would of expected. Who is this stranger from her dreams and what does he want with her? Why does Baek Hyun suddenly become hostile and cold to his best friend? And what does it all mean?