影片讲述了一位古灵精怪的少女和他的小伙伴，组成了一个非常具有特点的摇滚乐队的故事。这个乐队在刚开始组建的时候受尽了冷漠与冷眼，最终在他们成功出道之后，让所有人都刮目相看
故事的主人公是陈惊，陈惊在平常的生活当中鬼点子特别多，并且敢爱敢恨，人送外号神经。陈惊身边还有一个对他鞍前马后的男闺蜜油渣，这个男闺蜜对于陈惊言听计从。陈惊在一个偶然的机会当中喜欢上了校草，但是校草对于陈惊却并不感冒，并且出现了讥讽陈惊。陈惊为了向校草证明自己，因此就想要组建一个乐队，用自己的实力来让他们对自己刮目相看，他们这个乐队的名字就叫2.5次元乐队，因为他们的宿舍是502。既然他们要组建乐队，肯定要组建一个与众不同的。
The film tells the story of a quirky girl and her friends who form a very characteristic rock band. This band suffered a lot of indifference and indifference when it was first formed, and finally after their successful debut, it made everyone look at it with admiration
The protagonist of the story is Chen Jing. No. Nerve. Beside Chen Jing, there is also a male best friend who treats him like a saddle, and this male best friend obeys Chen Jing's words. Chen Jing fell in love with the school grass by chance, but the school grass did not like Chen Jing, and appeared to ridicule Chen Jing. In order to prove himself to the school grass, Chen Jing wanted to form a band and use his own strength to impress them. The name of their band is 2.5 Dimensional Band, because their dormitory is 502. Since they are going to form a band, they must form a different one.
《闪光少女》是一部充满笑料和温情的喜剧片，给观众带来了欢乐和感动。徐璐、彭昱畅等年轻演员的精彩表演让人捧腹大笑，他们塑造的角色充满活力和亲切感。影片讲述了一群不被社会接受的学生通过音乐和团队合作找到自信和成长的故事，既有欢乐的喜剧情节，又有对青春与友情的深入思考。导演王冉以细腻的情感刻画和紧凑的剧情节奏，成功将喜剧元素和正能量融合在一起。
《闪光少女》以其轻松幽默的喜剧风格和可爱的角色塑造，为观众带来了欢乐和感动。徐璐和彭昱畅的默契配合和精彩表演令人难以忘怀，他们在影片中展现了青春活力和独特魅力。故事情节虽然轻松，但通过描绘学生们面对困境和挑战的勇气和坚持，传递了积极向上的价值观。导演王冉以细腻的触动和诙谐的剧情，打造了一个充满温情和希望的世界。
《闪光少女》是一部充满活力和正能量的喜剧片，给观众带来了笑声和感动。徐璐、彭昱畅等年轻演员的表演活泼生动，他们饰演的角色个性鲜明，引人注目。影片通过讲述学生们用音乐和团队合作战胜困难的故事，传达了坚持梦想和勇敢面对挑战的重要性。
