Entering the Zhenghua year (starting from 1989), in order to improve the chaotic and degenerate social atmosphere, the Japanese government promulgated the Media Benefit Law and established a special department to seal and dispose of all books that may affect the physical and mental health of the world. ccc。 But at the same time, freedom of speech has also been roughly curbed and suppressed.In order to defend free thought, an organization called the Library Self-Defense Organization Book Team came into being. They picked up weapons to protect books, and many people sacrificed their lives for it.The book team members who were once regarded as "Prince" in high school helped, and the passionate girl Yu Kasahara (played by Nana Eikura) decided to join the book team, but the second-class book Masato (played by Junichi Okada) seemed to always make things difficult for Kasahara, and the girl still became a member of the special book force with her own efforts.In the following days, the friendship and trust of Kasahara and the instructor of Dojo and Tezuka Hiroshi (played by Fukushi Aotai) at the same time became increasingly deepened.Not long after, the major events that influence freedom of speech came, and the fateful war between the book team and the media Lianghua team began... This film is adapted from the first part of Arikawa's "Library Series".