Ariella and Louis have been best friends since they were born. But Ariella lives in New York, and Louis lives in England. When he tries out for X Factor and his band One Direction become famous, Ariella has no way to visit him. A long time after X Factor, when the band is very popular, Ariella finally moves in with Louis and Harry in London. She meets the boys and they instantly become great friends, but what happens when the boys unveil Ariella's dark past? And how is she going to be able to handle falling in love, and do they feel the same way about her?