It's difficult to leave the ones that have always been there for you and loved you your whole life. It's even harder to find your biological parents and have the nerve to leave your adopted parents. The hardest thing? Finding a way to get to your biological parents when your dad is Niall Horan.
A trip to London is the experience of a lifetime for Sarah and her friends Haley and Kendall. They knew with all of the site seeing, great food, hot british boys, and not to mention the One Direction concert would be unforgetable. However, they didn't expect all the twists and turns to be coming in their direction. Es...