Cui Xian, a modern university Ph.D., accidentally time-travels and becomes Cui of the ancient poor family. The elders of the Cui family are devoted to studying and persistent in the imperial examinations, yet repeatedly fail, leading to family poverty and frequent disdain from others. To reverse the family's destiny, Cui Xian relies on his profound knowledge and advanced vision to accumulate substance. Using wisdom to openly resolve disputes among neighbors and build prestige, he studies diligently all the way to counterattack, ultimately topping the imperial examinations as the top scholar, leading the Cui family to restore its family reputation and glorify the clan.