Following the story of a middle-aged man who loses everything he once valued. After a long journey, he finds his true self, no longer defined by his job as a manager at a major corporation. Kim Nak Su, a salesman with 25 years of experience. Known for his exceptional skills and sales success, he has never missed a promotion. He owns a prime apartment in Seoul, has a wife and son, and enjoys an enviable life. However, over time, he begins to lose his footing both at work and at home. A heartfelt journey of resilience and survival — one that evokes both tears and laughter in the pursuit of happiness. (Source: Soompi; edited by MyDramaList) Native Title: 서울 자가에 대기업 다니는 김 부장 이야기 Also Known As: Seoul Jagae Daegieop Danineun Kim Bujang Iyagi , The Story of Manager Kim, Who Works at a Large Corporation in Seoul , 김 부장 이야기 , The Story of Manager Kim, Who Works for a Large Company in Seoul