In her past life, Su Miao, the legitimate daughter of the Duke of Zhenguo's household, trusted the wrong people. She was schemed against by her half-sister Su Mingyan and the Crown Prince Rong Yu, her family was destroyed, and she died a miserable death in the cold palace. Meanwhile, the God of War Qin Yan—a man she had misunderstood her whole life—died on the battlefield defending her remains. As she closed her eyes in bitter hatred, she gazed at his bloodstained figure, and her regret cut to the bone. Reborn in a single moment, Su Miao returns to the turning point of her fate—the night she was set up and sent into Qin Yan's bed. This time, she sheds her lovestruck naivety, leaving only the cold gleam of revenge and a fierce determination to protect her family in her eyes. She takes the initiative to propose a partnership with Qin Yan: "Help him seize power" in exchange for "protecting her family." What she doesn't know is that this outwardly cold, inwardly mad man has already returned with memories of both lifetimes—a love that goes both ways.