When a nature photographer explains to the Police how she fought her way out of the Watchatoomy Valley, they dismiss her crazed and violent story as a meth-induced nightmare. But when they discover that she's telling the truth, it's too late.。故事发生在1980年代的都柏林,讲述了14岁的少年康纳因为家庭经济原因转学到一所校规极为严苛死板的教会中学。在新校园里,康纳遭受了老师及同学的欺凌与侮辱。某日,康纳邂逅了美丽的女孩蕾菲娜,为了吸引蕾菲娜的注意,他和热爱音乐的朋友们组建了唱街乐队,在对音乐梦想及爱情的追求过程中,他最终实现了自我认知和自我成长的转变,也经历了一场理想和浪漫的别样碰撞。。