Sawako works as a manga writer. Her husband of five years, Toshio is also a manga writer. On a summer day, Sawako begins to write her new manga. The story for her new manga deals with adultery. The manga describes Toshio having an affair with her editor and Sawako having an affair with her driving instructor. Toshio reads Sawako's manga with fear and jealousy.

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.

自幼练习柔道的开朗女孩黑泽心（黑木华 饰）因意外受伤而放弃了竞技的道路。在此之后，热爱漫画的她征战职场，顺利进入一家漫画杂志担任编辑。在这里，她师从于资深的副主编五百旗头敬（小田切让 饰），并从主编和田（松重丰 饰）、同侪壬生（荒川良良 饰）、安井（安田显 饰）、漫画名家三藏山龙（小日向文世 饰）等前辈那里学到了不少宝贵的经验。她积极为漫画家和编辑部出谋划策，努力发掘新人，并深入到销售第一线的书店寻找卖点。在此过程中，无数考验和危机交替袭来，元气满满的黑泽拿出竞技时代的勇气和干劲，全力以赴冲了上去……
本片根据松田奈绪子的同名漫画改编。