How would you feel if your family got in a car crash and died? Where would you go? What would you do? Meet Chloe Davis. She's 17. What she doesn't know, is that her long lost uncle is One Direction's manager. What happens when he's your God father, and you have to live with One Direction? Living with 5 boys is hard, but living with 5 gorgeous, famous, British/Irish guys is harder. 

Rylee Devine is the little sister of One directions drummer Josh Devine. After an accident resulting in a loss of her parents, she is taken in by her brother and the band. As the spend the summer together, one of the boys finds himself falling for her, but will he break the 'Sister Rule' even if it means risking a friendship?