Jin-hyeok opens a cake shop in an old antique shop, hiring Seon-woo, Korea's best pastry chef, who fell in love with him in high school. Also there, are Su-young, crushing on Seon-woo, ex-boxer Ki-beom, and Seon-woo's French ex-boyfriend.

Job-hunting Daisuke heads to the Antiquarian Bookshop Biblia in Kita-Kamakura with a book signed by Natsume Soseki that his deceased grandmother left behind. He asks the beautiful shop owner Shioriko to authenticate the book. However, the book in question hides an unexpected secret from his grandmother.