True story of the Brink’s-Mat robbery and its aftermath. On 26 November 1983, six armed men broke into the security depot, stumbling across gold bullion worth £26m. The disposal of the bullion caused the birth of large-scale international money laundering, provided the dirty money that helped fuel the London Docklands property boom, united blue and white-collar criminals and left controversy and murder in its wake. Hugh Bonneville stars!