该剧讲述了会计师金成龙任职某公司担任科长,为坚持原则不惜与他人抗争的故事。Chief Kim is an eccentric, flamboyant accountant genius working in the underground and trying to save up enough money to travel abroad until he accidentally gets employed by one of the most famous corporations in Korea. He plans to pull off his biggest heist, taking money from the company while facing the moral dilemmas as he gets closer to his colleagues and starts to get attached to the work life.