The renowned actor, journalist and investigator reveals the surprising and deep-rooted influence the Mafia has within the United Kingdom - unveiling the Mafia bosses, capos and hitmen who work next door, from caravan parks to shoe shops, cafés to newsagents. He begins in London, recalling 1982 when the body of the so-called 'God's Banker', Roberto Calvi, was discovered under Blackfriars Bridge with his pockets stuffed full of foreign currency from all over the world.