This drama documentary explores one of Britain's most enduring murder mysteries: Did Richard III murder his nephews to seize the throne? Was he a villain unfairly demonized by the Tudors, or something else entirely? On the day before Richard's remains are reburied, leading experts like David Starkey and Philippa Gregory analyze all the evidence. The film examines the possibilities and conflicting theories, aiming to finally uncover the truth about what happened to the princes in the Tower. Was it a story of ruthless ambition and murder?