Two people have been friends for two decades, but just two weeks of living together erase the fine line between love and friendship.Han Sung-woo is a handsome novice photographer with a kind and caring character, and Seo Eun-soo is a lively, straightforward and honest girl who openly expresses her feelings. Three years ago, she took the chance to become a lyricist. Now the details of their related romance are subtly woven into her musical compositions.