Two middle-aged sisters in a Finnish village promise to brew beer for a wedding but drink their entire batch. In a hilarious race against time, they struggle with hangovers while trying to make more beer and save their reputations.

　　四个重金摇滚边缘人，主唱是疗养院清洁员，吉他手是驯鹿屠夫，贝斯手是图书馆管理员，听歌过耳不忘，曾死过两次的鼓手最有冲劲，一心想出国演出；他们在地下室练团12年，从没上台表演，镇上几乎每个人都鄙视他们，披头散发被人讥笑是「娘炮」，骑脚踏车还会莫名被临检，他们只好把所有怒 气都发泄在音乐上。 有天，城里来了一位国际出名的重…