A female college student accidentally fell off a cliff during an outing. When she woke up, her soul traveled to the world thousands of years ago and inhabited the body of a 9-year-old girl. Among the suitors with different personalities, who is the true love in your heart? The gentle and jade-like young master, the chivalrous gangster, the lonely and infatuated Holy Lord of the Demon Sect, and the Lord of the Country who is willing to subvert the world for her, who can accompany her for the rest of her life?