Jo Jin-gap, a former judo athlete turned high school teacher, finds his life turned upside down when he is fired for trying to expose the corruption of a powerful student. Seeking a quiet life, he passes the civil service exam to become a labor inspector for the Ministry of Employment and Labor. However, his sense of justice is reignited when he witnesses the systemic abuse of power, wage theft, and exploitation faced by vulnerable workers. Teaming up with his former student, Kim Sun-woo, and a private investigator named Cheon Deok-gu, Jo Jin-gap takes on the role of a 'Special Labor Inspector.' Together, they form an unlikely alliance to take down corrupt corporate executives and powerful figures who treat their employees as disposable. The series blends social commentary with comedic elements and high-stakes action as Jo uses his physical prowess and stubborn determination to bring justice to the workplace.