Yuntang, a corporate slave who died from overwork, wakes up to find herself reincarnated as the three-and-a-half-year-old “little ancestor” of the Duke of Dingguo’s household — and the blood-related aunt of the current iron-blooded duke! With two crooked pigtails sticking out, Yuntang stares at the servants kneeling in the room, and at the “nephew” bowing respectfully before her, utterly stunned. Do transmigrations come with a “good nephew” now? Yuntang just wanted to lie flat and slack off, but her grandnephews keep lining up for her to uphold justice. Her short little legs nearly run smoking from all the running around. Worse, her nieces-in-law covet her huge private fortune and scheme to make her “disappear.” Yuntang just points a chubby little finger, hums in a baby voice, and those with bad intentions soon suffer misfortune one after another. From then on, rumors spread through the streets: the little ancestor of the Duke of Dingguo’s household is even more ruthless than the duke himself…