Danny stays with crime author Bernard O'Mahoney, a former football hooligan, soldier, and bouncer, who was also a close associate of the infamous gangsters and drug dealers known as the Essex Boys.
Danny visits with David McMillan, one of the earliest pioneers of drug smuggling in the late 1970s and early 1980s, and the only Westerner on record as having successfully escaped Bangkok's Klong Prem Central prison.
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 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.
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.