London, 1942: the Blitz is over but the war rages on. With the country still fighting for its existence, a young girl takes to the skies... After her mother was killed in an air raid, Anna Cooper was sent to live with her uncle, the Ravenmaster at the Tower of London. Now, he too is dead. His dying wish was for Anna to be the next Ravenmaster, keeper of the birds who, according to legend, guard the fate of the kingdom. But the Tower authorities won't stand for a female Ravenmaster, let alone one so young. Denied her destiny, Anna is desperate to escape the Tower and she bluffs her way into the glamorous - and dangerous - world of the Women's Auxiliary Air Force. But no matter how high she flies, Anna can't escape her past... nor the secret that it conceals. A secret that could change the course of the war.

London, 1944. Britain's capital is back in the firing line. It has been several years since the Blitz ended, but now death is dropping from the skies once more. Has the tide of war turned again?

Anna Cooper survived the Blitz but she lost her mother and the people closest to her. Amid the flames and rubble, she discovered that everything she thought she knew about her family was a lie. She learned that nobody was prepared to take an orphaned girl seriously and she decided to fight back.

Now, Anna flies warplanes for the Air Transport Auxiliary but she knows it is not enough. Hitler is ready to unleash one final terrifying secret weapon, against which there is no defence. But Anna won't let that happen. If there is no defence, there is only one option: attack.

London, 1944. War is raging across Europe and Hitler's terrifying secret weapons, V1 rockets, transform life into a nightmare. After her mother was killed in an air raid, Anna Cooper was sent to live with her uncle, the Ravenmaster at the Tower of London. Now, he too is dead and Anna must seek help from her estranged father to discover her only chance of fighting back. Commandeering a Spitfire, Anna leads a crew of fearless pilots to intercept the deadly rockets. But Hitler has one final secret weapon, against which there is no defence... At the eve of a devastating war, Anna must confront the ghosts of her past and do what she can to survive in a world for ever changed.