Louis Tomlinson is skittish about his sisters but when he offers his biological sister Sophia Tomlinson a tour around the world with One Direction he is forced to watch as his sister fall head over heels with his best friend and band mate Harry Styles. When Louis gives the go signal life proved to be complicated as another budding romance appear when Zayn Malik makes a move on Sophia. Will the love triangle be resolved? Who will Sophia pick is it Harry Styles or Zayn Malik?