The protagonist, who was a mercenary in his previous life, is reborn in the 1980s, taking over the body of a notorious gambler who squandered his family's wealth. Faced with his sick daughter, his disappointed wife, and creditors coming to collect their debts, he resolves to turn over a new leaf. Risking his life in the mountains, he makes a living through hunting and gathering wild mountain goods. He keeps his promises through concrete actions, gradually repairing his broken marriage and improving his family's living conditions. While navigating fierce competition with business rivals, he holds firmly to his principles of honesty and integrity. Through hard work and determination, he earns the trust of his neighbors, and his family slowly builds a peaceful and stable life.