Experts reveal what they believe members of the royal family are saying when they think nobody is listening, including whispered exchanges caught on camera at weddings, funerals and state occasions when the microphones are off and the stakes are high. Using exclusive footage from some of the most famous moments of British royal history in the last half a century, and the expertise of elite forensic lip readers, this feature-length documentary uncovers pivotal moments of royal drama, tension, and humour