Joe Mahoney leaves Rhodesia with little more than a dream and a battered cargo plane, aiming to revolutionize commercial flying. Mahoney and his partner embark on building the 'Rainbow' project, a venture that promises to reshape the aviation industry. However, their ambition attracts powerful opposition from parties determined to see them fail, placing Mahoney's aspirations and everything he has worked for at risk.

The novel is presented as a sweeping narrative of ambition and adventure, focusing on the challenges faced by its protagonist in the world of commercial aviation. The premise suggests a story rich with the complexities of building a revolutionary project while navigating personal relationships and external opposition. The description highlights themes of love and the drive to achieve significant goals against considerable odds. The narrative appears structured to build tension as the protagonist's dreams are tested by those who wish to see him lose everything.