Charles Beaumont

Everyone knows about the Cambridge Spies from the Fifties, identified and broken up after passing national secrets to the Soviets for years. But no spy ring was ever unearthed at Oxford. Because one never existed? Or because it was never found? 2022: Former spy Simon Sharman is eking out a living in the private sector. When a commission to delve into the financial dealings of a mysterious Russian oligarch comes across his desk, he jumps at the chance.