After Sam Horan's parents die in a car crash. Sam has to go live with her cousin, teen heart throb Niall Horan.After she meets the guys of 1D. Band member Harry Styles catches her eye. Niall tells her not to fall for any of the guys. but she cant help but fall for Harry but doesnt want her cousin to get angry with her. she hides her feelings but little does she know that harry might feel the same way. If harry does fell the same way will Sam let herslf fall?