War puts courage and love to the test. It's 1939, a lone Spitfire roars over her family home, and Ilona Lowe, entranced by its grace and power, finally knows her place in the fight against Hitler. She joins the Women's Auxiliary Air Force, is stationed at RAF Catterick and embarks on an all-too-brief love affair with a Bleinheim bomber pilot who is killed during the Battle of Britain. Heartbroken, but determined to carry on, Ilona returns to active duty where she encounters Francis Robson. He's arrogant—some would even say reckless—and another pilot. Yet he's worth the risk. Their love isn't easy. Francis harbors jealousy about her former lover while Ilona's posting at an RAF bomber base feeds her nightmares about Francis' safety. She can see the escalation of stakes as his missions grow ever more dangerous, the enemy more desperate. Ilona must put her courage to the test because she knows that loving Francis means letting him let him...

The wounds of war can run far more than skin deep. Grace Webb trains racehorses for a living. It's a career she's happy to focus on when her fiancé, Christopher Beaumont, is deployed to Afghanistan. At a time when racing yards are losing horses because of the bad economy, a promising horse like Allonby could be the salvation of her father's yard. Grace welcomes the chance to focus on Allonby in attempt to stop fretting about Christopher's growing despondency and the frustration of lousy internet connections. When Christopher comes home with horrific leg wounds and Post Traumatic Stress Disorder, Grace is determined to help him heal. While she fights Christopher's nightmares, depression and rage, she also faces a battle to save Allonby's career before it's had a chance to blossom. Christopher, feeling that he's giving Grace more grief than love, leaves her. Grace couldn't heal Christopher, but she can help Allonby and keep her father's yard running. When Christopher returns, seeking forgiveness and a second chance, Grace gives him that chance. This time she won't let Christopher surrender to his demons. On the eve of the biggest race of Allonby's career, Grace faces down her worse nightmare—saving Christopher from himself.