Jin Sang Pil is a welder at a shipyard, but when he and his fellow workers get laid off, he fights for their reinstatement as the spokesman for the labor union. To his surprise, this leads to him becoming a newly elected member of the National Assembly. But because of his idealism and naiveté, Sang Pil finds it difficult to navigate the corridors of politics. Enter whip-smart aide Choi In Gyeong, who shows him the ropes and together they work to accomplish real change within the government.