Li Jianming, a live-in son-in-law, works tirelessly to turn his father-in-law's struggling factory around, only to be betrayed, humiliated, and driven out. Determined to start over, he establishes his own factory and gradually builds it into a thriving enterprise through his exceptional craftsmanship and honest business practices. His ex-wife's family repeatedly makes things difficult for him and commits one misdeed after another, eventually suffering the consequences of their own actions. After weathering countless hardships, Li Jianming finally becomes the owner of an industrial corporation, finds a lifelong partner, and achieves a fulfilling life.