Koyuki Tanaka was feeling the rut, though he’s only a teenager. Between the sheltered and stifling grind of school and the girls that spend their time not noticing him… Every day was just another day of being a total nobody. Enter Ryusuke: a local rock n’ roller haunted by a shady reputation. Together they form Beck, a dynamic band that just might be the salvation of the stagnant music scene. Sure, it’s going to take hard work and obsession to make it, but there’s something special in the sound. If the guys can stay true to their vision, the world awaits. Music can change your life, sometimes against your will. Just remember… When it’s live, anything can happen.

1966年，大西洋北海上漂浮着的一艘船，是深受不列颠听众喜爱的摇滚电台的大本营。因吸毒而退学的 Carl（汤姆·斯图里奇 Tom Sturridge 饰）被母亲 Charlotte（艾玛·汤普森 Emma Thompson 饰）送到这里，认识了 Quentin（比尔·奈伊 Bill Nighy 饰）、The Count（菲利普·塞默·霍夫曼 Philip Seymour Hoffman 饰）、Dave（尼克·弗罗斯特 Nick Frost 饰）等热爱音乐崇尚自由的人。另一方面，政府高官 Sir Alistair Dormandy（肯尼思·布拉纳 Kenneth Branagh 饰）决定设法取缔非法电台。随着政府向电台的赞助商施压，电台的收入持续降低。此时，出国两年现已享有国际盛誉的 Gavin（瑞斯·伊凡斯 Rhys Ifans 饰）决定海归，解决了电台的难题。可是，因为 Gavin 的回归，电台内部出现了一些新的问题……