Louis Tomlinson seemed to be happy with life, the way he was always fun and carefree, but he lost 2 things important to him at the age of 3. His mother and his newborn sister. His mother passed during labour, but his sister was sent off to an orphanage while he was sent to other family. Not only is his life flipped around when he receives a call, but so is Niall's. Niall has spent more time than anyone could imagine, looking and waiting for his princess. As him and Kailey, Louis's long lost sister bond a lot better than the rest, he slowly but surely starts to fall for her. It was bound to happen, but how with Louis react?