Crack cocaine arrives in Britain in the late 1980s, cheaper and more addictive than powder cocaine because it is smoked rather than snorted, and this BBC program tracks how fast it spread through the country's poorest urban neighborhoods. Interviews with users, police officers, and politicians lay out the supply chain from the source: cocaine grown and processed in Colombia, moved through Jamaica, and sold on British streets, often through networks tied to Jamaican Yardie gangs. The film links that trafficking route directly to a rise in gun violence in UK cities, treating the drug trade and the gun culture around it as one problem rather than two. It also follows the human cost inside households where a parent or child has become addicted, and sits with recovering users describing what getting clean actually requires. Law enforcement officials describe their efforts to disrupt the trafficking networks, giving the film's back half a harder edge than its opening survey of the epidemic. Broadcast in 1992, it is a document of Britain's first real reckoning with crack as a mass-market drug.