In her past life, Lin Xianxing was poisoned to death by her stepmother Xu Zhirou, dying full of resentment in Prince Ding's estate, consumed by bitterness before her end. Reborn anew, she happens to catch the exact moment when her stepmother is about to take her sister Lin Ruxue into the prince's estate. Having narrowly avoided a tragic fate, a clever idea strikes her, and she intends to recommend her newly separated biological father, Lin Guanyan, to the almighty Princess Danyang. Thinking it was merely an effort to protect the lives of father and daughter, the moment she stepped into the princess's estate, everything completely derailed from expectations.