At 10:17 on a bright Tuesday morning, inside the enormous glass headquarters of Sterling Aerospace, a man named Everett Callaway pushed a cleaning cart across the polished marble floor. He wore a faded blue uniform, inexpensive work boots, and a small silver watch that had belonged to his father. At 41, Everett had learned to keep his head down, speak only when necessary, and never allow anyone to see how much he knew.To most employees, he was simply the janitor responsible for keeping the executive offices clean. Nobody knew that before his life fell apart, he had been one of the most respected avionics engineers in the country. Nobody knew that the man quietly wiping fingerprints from conference room doors had once designed electronic flight control systems that protected thousands of passengers. And nobody knew why he had abandoned the career that had once defined him.Everett was raising his 8-year-old daughter, Maisie, alone. Her mother, Clare, had died three years earlier after a sudden medical emergency, leaving Everett with a little girl who still sometimes asked whether her mother could see her drawings from heaven. Since then, his world had become a careful balance between school schedules, grocery bills, overdue notices, and the exhausting responsibility of being both parents. He had sold his house, his expensive tools, and almost everything that reminded him of his former life. The janitorial position at Sterling Aerospace paid enough to keep a roof over their heads and put food on the table. It wasn't the life he had imagined, but it allowed him to collect Maisie from school every afternoon—and that mattered more than any engineering award.Sterling Aerospace was controlled by its 38-year-old CEO, Vivien Ashford, a brilliant businesswoman who had inherited the company after her father's retirement. Vivien was admired for her intelligence, confidence, and ability to make difficult decisions. Under her leadership, Sterling had secured enormous government contracts and developed some of the most advanced private aircraft systems in the industry. But success had made her impatient: she believed expertise should be visible, authority should be respected, and anyone without impressive credentials had little to contribute to serious decisions. Her father had often reminded her that a person's value could not be measured by a job title, but Vivien had always considered that advice sentimental rather than practical.Everett had been working at Sterling for 11 months when he first noticed something unusual. While cleaning the engineering department one afternoon, he heard two technicians discussing repeated communication failures in the avionics system of the company's newest aircraft, the Falcon Crest 900. The aircraft was Sterling's most important development project, and its successful certification would determine the company's financial future.