Always a tough town, Glasgow has long held the reputation of being Britain's most deadly city. In the first episode hear about brutal gangland hits and a lethal turf war conducted by ice-cream van drivers. Then meet Glasgow's first godfather who flourished from local hardman to become the mastermind behind an epidemic of armed robberies, as we expose how Scotland's second city turned to crime.

Renowned throughout the world for its music, football and club culture, for decades Manchester has also seen a deadly battle played out on its streets, earning it the nickname 'Gunchester' in the eighties. This final show features members of the mysterious Quality Street Gang who, for the first time, talk about how they once ruled the city's underworld and reveal that one of the most lethal wars in gang history started with a row over a girl! Also find how the police fought a desperate battle to keep lawful control on Manchester's streets.