In her previous life, Shen Jinghong, the legitimate daughter of the Great Yan chancellor, was set up by her stepmother and forced into a substitute marriage. Falsely accused of poisoning a prince, she was ultimately drowned in a pond. Reborn one year before the forced marriage, she discovered she could see when other people would die. Her stepmother had another thirty years to live, while her half-sister had only three months. Even the “dying” Prince of Jing’an had forty-two years left. She willingly married into the prince’s household, using what she knew about people’s lifespans to navigate domestic rivalries and political struggles. But she soon learned that her death had not been a simple matter of rivalry between legitimate and illegitimate daughters: it was tied to a shocking conspiracy involving a massacre from ten years earlier and a change of imperial power. When she finally exposed the truth and faced the mastermind, she had to choose between revenge and justice. In the end, she chose not to kill. Instead, she brought the truth to light and stripped the villains of everything they cherished most, then set out toward a new life alongside Prince Xiao Yan of Jing’an.