Weapon designer Qin Luoyan accidentally travels back to ancient Nanyue, where she becomes the unfortunate second daughter of General Qin. Forced into a marriage with a man old enough to be her father for the sake of family interests, she refuses to accept her fate and plots her escape.
Using Prince Xuanwu Fu Zimo’s infamous reputation to her advantage, she spends one night with him and breaks free from the forced marriage. She thinks she has finally gained her freedom, only to find that the cold and powerful prince has become a shadow she can never escape.