The protagonist traveled to a poor family in Daliang. His father passed away, his mother made money by sewing, and his younger sister was thirteen years old. The family could not afford the household tax.
Three pieces of information were obtained every morning.
From the initial clues about wage arrears, market supply and demand, and risks around him; as he left the village and ran his business, he gradually came into contact with information about business routes, government officials, and people from all sides.
He uses intelligence to find opportunities, and then relies on actions to turn opportunities into money, industry and reliable partners.