The Past Events of Coal Province, the Past of Thirty Years of Underworld

(No harem, no brains, no cool writing) What is the underworld? What is Jianghu? Some people think that the underworld is the symbol of loyalty in Hong Kong and Taiwan movies. Some people think that the underworld is constantly fighting. In fact, no one in the real underworld is loyal. They are a group of scumbags who make money by relying on the blood and tears of others.