The killer traveled to ancient times and became a princess. Is it a palace battle or a grudge in the world? Back and forth, where will she end up? Why did the gentle man who protected and doted on her in the past become a stranger to her? Why was her husband so indifferent after time travel? Why was the noble prince reduced to a place where no one cared about her? . . But in the end, who will accompany her to enjoy the fireworks for half a lifetime. . .