Examines the influence of over 700 Japanese Yakuza gangs, and the soldiers known as 'boryokudan' (violent ones) who are a part of them. The primary focus is on Yoshinori Watanabe, who is the “boss of bosses” of the Yamaguchi-gumi. These organised crime syndicates in Japan are a major menace all over the Pacific rim, and this episode details their extreme ruthlessness and strict codes of violence.
