Twenty-year-old Lin Ranran was regarded as an "ominous person" by everyone because of a flame birthmark that suddenly appeared on his neck, and he suffered a lot of ostracism and rumors. In the dark night, the mysterious man in black clothes, Mo Yuan, arrives quietly, dispelling her loneliness with his gentle protection, but he also hides unknown secrets.
As they get along more and more, Ranran comes to rely on this protection, and their relationship heats up. She unexpectedly gets pregnant, thinking that she is getting a happy turn. But the woman in ancient paintings who looked similar to her in Mo Yuan's study, and the strange words "horcrux" and "spiritual fetus sacrifice" in the diary made suspicion gradually arise.
When Su Qingyue, a woman in white clothes, appears and reveals the identity of Mo Yuan's ancient deity and the fate of Ranran's "horcrux" - she exists only to give birth to spiritual fetuses and awaken the sleeping Su Qingyue, Ranran's world completely collapses. Should he be reduced to a tool to awaken others, or should he fight against his children for himself? Mo Yuan's confession and protection, and Su Qingyue's pressing step by step, push Ranran to a desperate situation of fate, and a fantasy battle about love, betrayal and survival begins.
