Perrie Edwards has the perfect life. She's in one of the world's most popular girl band. She's engaged to THE Zayn Malik. What more could she ask for? What about a little sister? But how? One evening her parents confront her on how they had another child 3 years after Perrie, but they couldn't afford to keep her. So they did what they had to and give her up for adoption. 17 years later they find out she's in America. Her name is Dylan Rose Phillips. She's the school's all star athlete. She's in all the schools sports. Everyone knows her and wants to be friends with her. But that doesn't stop her from wanting to know what happened. Why they have her up? Did they hate her? Will Dylan hate the Edwards when they find each other? Will something spark between Dylan and Perrie's fiancé band mates?