盖瑞（马丁·弗瑞曼 Martin Freeman 饰）是一名音乐制作人，曾经在职业上小有成就的他如今陷入了瓶颈之中，而他的好友保罗（西蒙·佩吉 Simon Pegg 饰）却迎来了事业的高峰，这让盖瑞的心中十分不是滋味。与此同时，盖瑞和女友朵拉（格温妮斯·帕特洛 Gwyneth Paltrow 饰）之间的感情亦跌落到了冰点之下。

16岁的曼纽尔（Manuel）生活在一个沿海小镇。他和几个最好的朋友一起组建了一个乐队并在乐队里弹奏贝斯。乐队的其中一个成员是费利佩（Felipe），曼纽尔与他从小就保持着深厚的友谊。曼纽尔正在和阿苏尔（Azul）约会，他们在热烈的情感中不断探索。但当他们第一次在一起的时候，曼纽尔却有了一些全新的认知与感受，他开始以不同的眼光看待事物。

　　古灵精怪的栗田是枫唱片公司新人发掘部的一名员工，不过在两年工作期间，她始终未取得任何业绩。就在即将辞职回老家之际，栗田在网络上看到一段某朋克乐队现场演出的视频。这群张扬跋扈又不失感染力的年轻乐手让栗田仿佛看到事业的曙光。她欣喜若狂找到社长时田，大力举荐这支名为“少年手指虎”的乐队。一方面希望再给栗田一次机会，一方面也嗅到其中隐藏的卖点，时田决定签下“少年手指虎”，并立即举行全国巡演。作为该项目负责人，栗田开始四处寻找乐队成员，结果却惊奇地发现，所谓年轻乐手全是一群老弱病残、年过半百的大叔，而那段视频竟然是25年前录制的！巡演日期逐渐逼近，栗田只能赶鸭子上架，带着这群老头子展开了艰苦的巡演之旅……

On May 2, 1998, Hide, a leading Japanese rock musician who had been active as a guitarist for X JAPAN and as a solo artist (hide with Spread Beaver/zilch), suddenly passed away. His funeral was attended by about 50,000 people and became a social phenomenon as all of Japan wept at his untimely farewell. His younger brother, Hiroshi Matsumoto, who was Hide's manager, started to work with Hide's co-producer I.N.A., who had been working on a song with Hide, and his friends to make his brother's will come true. Yuji and I.N.A. struggle under the unusual circumstance that Hide himself is not present, but they are confronted with various difficulties.