What happens when Niall Horan introduces his 17 year old sister Hailey Horan to his 5 band mates after 2 years of being friends and in a band with them? Which band mate will fall head over heals with Hailey? what happens when one night changes Nialls sisters life around by her getting pregnant by one of his closest mates? What will Niall do about it? Will Hailey follow his rules or will she follow her heart?All Rights Reserved