In 1940 Kate Jamison meets and falls in love with flyer Joe Albright, the 'Lone Eagle' Joe has created a considerable name for himself in flying circles with his daring aeronautical adventures and radical aircraft design Kate is ready for marriage, hoping to set the seal on the long relationship, but Joe's visionary nature still drives him into the skies They separate, but when a chance encounter brings them together, they realise that their passion is undimmed, and it is time to resolve their relationship, one way or another