Shen Zhiyu transmigrates into a period novel as the real daughter who was switched at birth. In the original story, she's sent to the harshest borderland farm, takes the blame for the fake daughter and spends three years in labor reform. After getting out, she becomes the fake daughter's unpaid servant, and eventually dies in despair.
To make matters worse, the fake daughter, Chu Qingning, has also been reborn. She's already eyeing the blue-and-white porcelain vase left by Shen Zhiyu's grandmother, which conceals a Republican-era pocket dimension and a hundred taels of gold.
Shen Zhiyu sneers. In her previous life, she was the eldest daughter of a Republican-era military governor's household, a crack shot and utterly ruthless.
This time, she strikes first: she exposes Chu Qingning's secret of being reborn in front of everyone, empties her scumbag father's salary savings, takes the fake daughter's rural assignment, and casually smashes the porcelain vase, activating the pocket dimension.
Her grandmother left three messages inside: The hundred taels of gold will help you escape. The second box contains things to keep you alive. For the third gift, go to the northern military district and find your uncle.
Her scumbag father and his family think she's off to the countryside to die. They have no idea she's returning to the capital with her pocket dimension, overturning Chu Qingning's rebirth plot with one hand and winning over the army officer uncle her grandmother described as "bad-tempered, but able to protect you for the rest of your life" with the other.
But why is there also a young regimental commander by this officer uncle's side, watching her with a dangerous gaze and never taking his eyes off her?
