Danny meets Stephen French, a former gangster nicknamed 'The Devil', who grew up in a Liverpool blighted by the Toxteth riots of 1981, and became one of the country's leading underworld operators.
On this occasion Danny meets Nigel 'Spud' Ely, a former SAS soldier who worked undercover in Northern Ireland, engaged in hand-to-hand fighting in the Falklands.
Danny interviews Sam 'Skelly' McCrory, an openly gay former skinhead who, along with Johnny 'Mad Dog' Adair, became one of the most notorious members of the Ulster Defence Association.
Boxer Dominic Negus, notorious for once headbutting Olympic champion Audley Harrison during a bout at Wembley, talks to Danny about his upbringing in Bethnal Green.
Danny Dyer meets Bradley Welsh, a legend on the streets among football hooligans who was running his own gang of 200 young Hibernian fans at the age of 14, and had been arrested seven times by the time he turned 15.