Shen Lingyi, a modern woman, unexpectedly travels through time and becomes a discarded daughter sent far away to marry into Xiao Prefecture. Here, years of disasters have left the land barren and the people impoverished, while the Marquis's household is entangled in a web of power and influence. Unwilling to depend on marriage for survival, she draws on her modern knowledge and ventures into the marketplace, establishing schools, developing industries, and creating livelihoods to find a way forward for both the people and herself. As she and Marquis Xiao Dingyuan move from distance and suspicion to gradually understanding one another, she sets out to rewrite not only her own destiny but also the future of the entire Xiao Prefecture.