Milk powder caps, yogurt spoons...

Hoonseong Tech, a small business specializing in small plastic products, is a family-like organization, with the CEO, his son, his brother-in-law, his younger brother, and even his daughter-in-law occupying positions, all squeezing the other employees.

Lee Kyung-min, an office worker at Hoonseong Tech, is a brilliant worker, diligent even at dawn and overtime, and is the company's ace. He ignores his superiors' incompetence and even cares about the welfare of production workers. After years of struggling, his patience reaches its limit. But something astonishing happens to Lee Kyung-min: his escape from a black company, his career change, his success, and even his marriage. Ninety-nine percent of South Korea is small and medium-sized enterprises! This is the story of one young man's fierce success within one of these small and medium-sized enterprises.