In her previous life, Wei Luoning was the eldest legitimate daughter of the Wei family, treated as a pawn in an arranged marriage. In the end, she was thrown alive into a sea of flames to secure her father’s career and her younger sister’s happiness. Reborn at fifteen, she wielded the secrets of poison and medicine and swore to settle this debt of blood. But the Wei father and son were already accustomed to feeding off her. When she repeatedly resisted, would it bring a complete break in their family ties, or an even more insidious scheme?