Chen Dajiang spent three hundred yuan to buy an abandoned mud pool in the village that nobody wanted. Enduring mockery and obstruction, he relied on diligence, honesty, and wisdom to discover business opportunities, established cooperation with a restaurant, standardized bookkeeping, and operated according to contracts. When rainstorms and mountain torrents struck, he led the villagers to protect the warehouse and rescue against emergencies, compensated according to prices, and won trust. Afterward, he established an aquatic products cooperative, drove his fellow villagers to achieve common prosperity, and donated funds to renovate the village primary school. The story demonstrates the positive power of down-to-earth struggle, trustworthiness, responsibility, and keeping the original aspiration.