Samantha Horan is Niall Horan's little sister. She i s 12 yers old. But what will happen when Niall and Samantha get into a huge fight and never talk to each other. But One day her mum has to work in Paris for 4 years, so then she has to go on tour with Niall and the boys? Will she and Niall be friends again? If you want to know, then read this historie.