Alexandra (Alex) Clare is a 18 year girl who's going to live with the Harries since their mother was her mother's good friend and she's going to attend college in London. She'll be living with twin brothers Jackson (Jack) Harries, Finnegan (Finn) Harries, their sister Emmy Harries and their parents, Andy and Rebecca Harries. At the start, they were just acquaintances and Emmy is the only person who admits liking Alexandra,but slowly, she gets along with the twins. And the twins get along with her too. Soon she finds herself helplessly in love with one of them. Even she doesn't expect it to happen...... But love cannot be controlled.