Set in the 1990s during Japan's "band boom" era, the film tells the tale of a girl in high school, Asako, who goes to a concert and meets Natsu, vocalist of the new band LANDS. Asako ends up being the band manager, but as the band's popularity starts to soar, the band's friendship begins to suffer.

In Imperial Russia, Anna, the wife of the officer Karenin, goes to Moscow to visit her brother. On the way, she meets the charming cavalry officer Vronsky to whom she is immediately attracted. But in St. Petersburg’s high society, a relationship like this could destroy a woman’s reputation.

曾经热爱唱歌的坂井和奏（高桓彩阳 配音）在母亲去世后就此紧闭了双唇，愧疚和悔恨一直折磨着她脆弱的灵魂，这也导致本来在年音乐特长班的她转到了普通班。一次偶然中，和奏认识了同班同学宫本来夏（瀬户麻沙美 配音），来夏对音乐的热爱感染了和奏，也唤起了她对于音乐久违的热情。冲田妙羽（早见沙织 配音）的出现彻底奠定了和奏重拾音乐的决心，合唱部应运而生。 随着维也纳转学生前田敦博（花江夏树 配音）的出现，合唱部的人气达到了顶峰，有了音乐的每一天，和奏都和伙伴们快乐的渡过着，母亲坂井真昼（大原沙耶香 配音）给和奏带来的困扰也逐渐的转化为了生活的动力。