樱花飞舞的都立瑞泽高中,迎来了热爱花牌的女孩绫濑千早(广濑丝丝 饰)。小学时代,千早受转学生绵谷新(真剑佑 饰)的影响接触了花牌竞技,从此便一发不可收拾。进入高中后,她重逢了当年与她、绵谷一同参加比赛的真岛太一(野村周平 饰),于是两人联手创立了竞技花牌部。除她们二人外,还有大江奏(上白石萌音 饰)、西田优征(矢本悠马 饰)、驹野勉(森永悠希 饰)等成员参加。大家通力合作,一步步朝着全国大赛的目标前进,然而挡在他们前方的,则是有着悠久竞技花牌历史的名门学校北央学园,强大的对手毫不留情对这支成立不久的战队进行了碾压。在此期间,千早得到了绵谷的消息,她满心欢喜,期待这位与久别的好友再度走上竞技花牌的赛场…… 本片根据末次由纪的同名漫画改编。When Chihaya Ayase was in the 6th grade of elementary school, she met Arata Wataya. Arata Wataya transferred from Fukui Prefecture. Taichi Mashima was Chihaya Ayase's friend since they were little. Arata got close to Chihaya and Taichi from the card game 'karuta'. Four years later, Chihaya is a high school student. Chihaya learns that Arata, who went back to Fukui Prefecture, doesn't play karuta anymore. Believing they will meet Arata again, Chihaya and Taichi start a karuta club at their high school.