Ian (Sam Riley Sam Riley), an 18-year-old rebellious boy, likes to lock himself in his room and listen to rock music and draw eyeliner in the mirror. In his eyes, the hometown town is lifeless and there is no way out, and the rock music that shouts out the true meaning of life will make people's youth a little fun. On this day, Ian went to London to watch the performance of the famous rock band sex gunmen. Ian seems to be born to rock and roll. He met three members of the sex gunmen at the concert, who were looking for the lead singer and decided that Ian was the best choice. So the boy Ian began his road to rock and roll.