Song Tingshuang time-travels to become the unloved legitimate daughter of the Marquis of Yongchang's estate, facing a biased father and a scheming foster daughter, enduring contempt and bullying. At the desperate juncture, she unexpectedly awakens a mysterious farm space with ten thousand acres of fertile land and crops maturing in seven days, defying her fate. She enters the palace carrying divine grain, reaches a deal with the Emperor of Zhaowu, and transforms from an abandoned daughter of the marquis's estate into the savior of the Great Yan. As the secret of the space is exposed, all court officials scramble to claim kinship, and those who once looked down on her regret it bitterly. With the granaries of the world in her hands, she helps the Great Yan grow prosperous, opening a legendary counterattack that shocks the imperial court.