A story about forgiveness, healing, and love taking place around a small bookstore in the countryside. Hae Won is an ordinary woman with good character. She has played the cello since she was a child. Hae Won began her social life with her ability to play the cello, but during that time, she was hurt emotionally by others. Due to that, Hae Won does not trust people, and she has closed her heart to others. Hae Won becomes sick and tired of her life in Seoul and decides to move back to her hometown Bookhyun Village. There, Hae Won meets Eun Seob, who runs a bookshop named "Goodnight Bookstore." Eun Seob's daily life is simple; wake up, drink coffee, read a book, and write on his blog. However, Eun Seob's daily life begins to change after he meets Hae Won. (Source: Han Cinema, AsianWiki) ~~ Adapted from the novel "When the Weather Is Fine, I'll Go to See You" by Lee Do Woo.