In her past life, Su Ran always lived in the shadow of her older sister. She fought for the betrothal gifts and saved face for her sister, shouldering all the vilification, only to realize in the end that she was the one being exploited, dying in bitter resentment after an accident. Reborn overnight back to the day of the formal marriage proposal, she made a decision: in this life, she would no longer be anyone's stepping stone. Her sister still played the part of being gentle and sensible, but without her villainous foil to set her off, those little schemes gradually leaked their flaws in the sunlight.