Sierra is a rebel, badass whatever you want to call her. She's fifteen and is much less inconnent then a girl by that age should be, wich her brother Harry Styles doesn't appricente. Their parents died just when Harry got to the X Factor and that leaves Sierra alone. Harry has to work and tour but he does everything he can for Sierra. Three year goes Harry's 19 Sierra's 15 and he can't handle her getting more rebellious.