Natalie Dennis is an 18 year old girl who doesn't abide by the rules. She claims to be responsible, but her mother disagrees. When her mother head's out to Tokyo for a whole year, Natalie is excited to be staying home alone.But what happens when the famous Louis Tomlinson shows up on her doorstep, suitcase's in hand, and a big cheeky grin on his face? Will this be an eventful disaster? Or the best thing that has ever happened to Natalie?