In her past life, Jiang Xuezhao abandoned her family for Prince Yan, only to be betrayed after helping him ascend the throne, resulting in her family's massacre. Reborn seven days before the tragedy, she exposes stepsister Jiang Yinyin's schemes using her grandfather's herbalism skills. After countering multiple traps during the Dragon Boat Festival banquet and leveraging the Empress Dowager to publicly divorce Prince Yan, she collaborates with father, Prince An and Prince Qi to reveal the conspiracy behind her family's downfall and military betrayal, ultimately finding true love while breaking feudal traditions.