When Mia Pennie joins a foreign exchange student program, she expects to be with her friends the entire time, enjoying the United Kingdom together. But, when they leave Mia on the plane, shes left to navigate herself into the only home left. The home in which Gemma Styles lived in, now she will live there. Mia is alone and scared because Gemma was on a foreign exchange program as well, in the United States, where Mia came from, and now the girls where left to switch lives but, will Mia fall for Gemma's little brother...Harry Styles or will she just be 'The Foreign Exchange Student"