In her previous life, Su Jin married Xu Xiuzhi, the top scholar. Everyone said she was lucky and would one day become a titled lady.
Only she knew that the top scholar was gentle in public but cold and abusive at home, while his mother appeared kind but secretly tormented and bullied her. Su Jin exhausted herself and eventually died without anyone noticing.
Reborn, Su Jin opens her eyes just as her younger sister, Su Xue, is crying and demanding a marriage swap.
Su Xue says the military man from the Pei family is short-lived, and she'll be widowed young if she marries him. She refuses at all costs, then turns around and rushes to marry Xu Xiuzhi, the future top scholar, convinced she's snatched the fate of a titled lady.
Su Jin smiles faintly. Go ahead and take him. That abusive man is all yours.
She goes along with the swap and marries into the Pei family. She plans to tend her few acres of poor farmland and live happily as a wealthy, carefree young widow. But then she awakens a spiritual companion called Lotus Breath, which can sense crop diseases and treat injuries, illnesses, and toxin buildup. Before she knows it, she has nursed the bedridden, rough-hewn Pei Yan back to robust health.
Pei Yan not only survives, but rises through the ranks to become a great general, pampering her to no end.
Meanwhile, Su Xue, who took the top scholar, is reduced to scraping by on coarse food in the Xu household and suffering under her wicked mother-in-law. She hopes her worthless husband will pass the imperial exams, but her life only gets worse. She watches her older sister grow wealthy through farming, open shops, become a marquis and general, and earn the title of First-Rank Lady. Su Xue grits her teeth and keeps making trouble until she finally drives herself into a ruined temple.
Su Jin looks on coldly. You chose this path yourself, so you'll have to walk it to the end, even on your knees.
Farming to build wealth, face-slapping the vile relatives, a rough-hewn general doting on his wife without limit, and a sister rivalry that stays satisfying to the end.