The novel follows the adventures of British colonial officers and pilots who are part of an air patrol unit tasked with maintaining order and security on the North-west Frontier. This region was historically volatile due to tribal rivalries, political unrest, and occasional uprisings against British rule.The protagonists of the story are likely members of the air patrol unit, which uses aircraft for reconnaissance, communication, and occasionally for military actions against hostile tribes or insurgents. The novel explores the challenges and dangers faced by these pilots and officers as they navigate the rugged terrain and deal with local factions.As the narrative unfolds, the characters may encounter various obstacles, including tribal conflicts, espionage, and personal dilemmas. Their missions test their courage, resourcefulness, and commitment to maintaining peace and stability in a volatile region.