When she was ten years old, she met him for the first time, and she said: "I like Shuo Xun the most." That sentence became her lifelong promise. But he didn't know, he never knew, her deep-rooted infatuation. He fell in love with another her, and she had to sacrifice her life to protect her for him, but he had no idea. She was obviously a sweetheart, but should she be destined to her final fate for him?