London schoolgirl Hettie hears the whispers and sees the worry creeping across her parents' faces. She watches as the windows in her home are blacked out. She helps her dad build a bomb shelter. She learns how to wear a gas mask. War led by Adolf Hitler is stomping its feet at Great Britain's doorstep and Hettie knows only one thing for certain When the bombs come it will take all the courage she has to be brave and survive.