Zhou Jianjun is reborn back to the day of family division in 1983, breaking free from the exploitation of his original family and guarding his wife and daughter Xiaoman. Breaking through relatives' difficulties and hoodlums' harassment, relying on memories from his past life to acquire mountain goods, he adheres to the principle of cash and spot goods with accurate scales and clear accounts. Overcoming shortages of funds and the sabotage of goods, he leads his family to make a down-to-earth living in a hard era, step by step searching for a way out to get rich.