What happened in the days and years next is the subject of PBS’ “Masterpiece” enthralling series “The Gold,” which traces the ripple effects of Britain’s biggest robbery, going from a local search to infiltrating an international money laundering cartel. It is everywhere.”‘Truly gripping’To tell the sprawling story of “The Gold,” Forsyth streamlined timelines, combined real-life figures and adjusted events to fit the drama. Boyce knew some officers in the department were corrupt and picked a lean, insular team to track down the gold and money. It shows how legitimate people got sucked into money laundering, how banks were complicit and how 1980s hubris kept it going. They didn’t fit into this new world of money laundering and deregulation and the opportunities that it brought for criminality,” says Forsyth.