Two girls meet by chance on London's Hampstead Heath - well-mannered and smartly dressy Verity and dishevelled and grubby Ruby. Yet this mismatched pair form an instant friendship strong enough to survive their parents' disapproval. When war engulfs the country - sending Ruby to Devon while Verity struggles to find a new beginning under a shadow from her past - the girls are convinced they will always be there for each other. Until the day on breaks the other's heart... Can Verity and Ruby find a way back to each other before it's too late?