Samantha Burke, 15 year old american, visits her grandparents in london for the summer. While there she discovers they live next to singer, Harry Styles. She has never seen this boy in her life... Or has she? Were the two friends as children? Why doesnt Sam remember? As Harry and Sam go through challenges to get her memory back.. the two fall madly in love.. only one problem... when the summer ends... they will be thousands of miles apart... And paparazzi following their every move... will Harry give up his carreer for her? or will she give up her normal life for him?..