After transmigrating to the Northern Song, Zhao Shoutian finds himself with nothing but four bare walls. An agricultural research institute researcher armed with a head full of modern farming knowledge, he starts with two mu of sandy soil and goes on to grow peanuts, press oil, establish farming cooperatives, open factories, and venture overseas, building a peanut oil empire spanning East Asia. Along the way, he raises his son to study and earn the highest degree in the imperial exams. This is a hard-nosed farming novel encompassing agriculture, commerce, family education, and political intrigue, showing how a man of practical know-how uses a hoe and an abacus to turn an entire era on its head.