Su Qingge understands the risks she's taking by volunteering as an experimental subject. The potential rewards are immense: if successful, she'd become a living poison detection and treatment machine. However, the stakes are high - failure could mean the end of her life. Little did she expect to find herself reborn into another world, inhabiting the body of Lin Mengya, a 16-year-old girl whose innocence had been marred by poisoning on her wedding day. Determined to make the most of this second chance, Su Qingge resolves to live for both their lives. With her sharp intellect, striking appearance, and unique ability to sense poisons, she embarks on a journey to not only survive but to thrive.