Belgravia, London, November 7th, 1974. Sandra Rivett, nanny of the aristocratic Lucan family, is found beaten to death. Shortly thereafter, the prime suspect, John Bingham, 7th Earl of Lucan, mysteriously disappears. When the manhunt begins, the subsequent scandal shakes the foundations of the British ruling class like never before.

Samuel, a Russian-born Jewish inventor who specialises in the development of hearing aids, is tasked with a secret mission by MI5 to use his technological expertise to contribute to western Cold War efforts. Following the tensions of the space race and the first hydrogen bomb test, Samuel's efforts factor in to the emergence of the modern world.