白勇奇（金来沅 饰）和金钟大（李敏镐 饰）这对落难兄弟无路可去，偶然机会他们帮黑社会打架，擅长打斗的钟大得到老大姜佶秀的赏识，他为了温饱干脆拜入姜的门下。怎奈世事难料，姜在受伤后金盆洗手，试图退出江湖又身不由己。钟大搭上手眼通天的闵夫人，通过热炒地皮闯出名堂。与此同时，在最初的混战中白勇奇阴差阳错加入敌对帮派，凭着一股狠劲他越做越大，成为帮派中一员不可忽视的猛将。在某次行动中，钟大救下了险些被张德才手下杀害的白勇奇，两个好兄弟久别重逢。 　　20世纪70年代的韩国，政客与黑道沆瀣一气，鱼肉乡民，在散发着腐臭气息的名利场，钟大和勇奇这对曾经的好兄弟也渐行渐远……In the 1970s, during the height of political corruption, Gangnam, the southern part of Seoul is starting to be transformed into a developed area. Childhood friends Jong-dae and Yong-ki struggle to get by, until their shanty homes are demolished by local thugs. Desperate for cash, they get involved in violent political clashes, and are separated during one of the skirmishes. Three years later, Jong-dae lives as an honest man with former gang leader Kil-su. Meanwhile, Yong-ki has joined Seoul's most powerful criminal organization, the Myeongdong-pa. As a gangster, Yong-ki is entangled in a high-stakes battle over land in Gangnam, all in the name of putting together secret presidential election funds that drive up the value of the city. As the gangs fight over the rights to various plots of land, Yong-ki is captured and interrogated by a rival gang. The southern part of Stransformed into a developed area.