Wang Jianguo, with thirty years of pig-farming expertise, steps in after retirement to save his son Wang Qiang's pig farm, only to be repaid with ruthless betrayal. Blinded by greed, his son puts his faith in miracle fattening drugs, throws his hardworking father out, and withholds the money needed to save his mother's life. In their darkest hour, his adopted son Wang Changshun remains steadfast, helping Wang Jianguo start a business from scratch. Wang Qiang relentlessly sabotages their pig farm, but Wang Jianguo holds firm to his principles as a craftsman, feeding his pigs only natural grain. Overcoming debt crises and quality-based bidding contests, he earns a reputation through genuinely excellent pork. Wang Qiang's misdeeds are exposed, leaving him buried in debt, while Wang Jianguo builds a successful livestock business through his own ability.