
On 26 November 1983, six armed men break into the Brink's-Mat security depot, stumbling across gold bullion worth £26m.
Set in the early 1990s, when Her Majesty’s Customs and Excise was losing its battle with illegal drug smuggling across Britain’s borders. In a top-secret operation, a small team of customs employees were sent undercover. Their task was to infiltrate Britain’s most dangerous drug gangs.