The Royal Bride's Vengeance

On the day of her wedding to Prince Zhao Huai'an, the heroine, Liang Yizhen, witnesses the prince slaughtering her entire family and marrying another woman. The prince seeks to obtain the Liang family's seal in order to claim their wealth, imprisoning her mother in a dungeon. The heroine is framed by a villainess and suffers a miscarriage. She outwardly agrees to hand over the Liang family seal to the prince, but secretly plans to rescue her mother. However, the prince traps her, and her mother, in a final act of love, hands over the family seal to the heroine and sacrifices her life to help her escape. After fleeing the prince's manor, the heroine returns to the prince's side, seeking revenge.