Prime Minister's estate true legitimate daughter Jiang Jinhae in a past life suffered step-sister Jiang Jinrong's frame-up, poisoned wine ruined her body, miserably dying on a snowy night. Reborn back to the coming-of-age banquet poisoned wine plot moment, she on the spot switched cups, turning the tables with a counter-stratagem, instead letting Jiang Jinrong's elaborately laid trap backfire on herself. Jiang Jinrong unexpectedly also wakes up carrying past-life memories, both holding foresight, unfolding a life-and-death game of chess in the imperial court and inner quarters. Jiang Jinhae step by step breaks the game, alongside Chen Prince Gu Jiuzhao goes from calculation and entanglement towards mutual understanding and guardianship, guarding her original intent amidst the struggle for the succession, abandoning shortcut schemes of power politics to save all common people, finally walking out of the cycle of hatred, understanding fate is never a set script, the phoenix returns to its nest, ultimately attaining her very own home.