In front of her friends and family, Xiao Xin is a girl next door who is no different from others in jeans and T-shirts. During the day, she is a competent legal secretary. When night falls, she takes out sexy clothes from the closet, puts on chic outfits, and provides professional services to different men. Her life is full of contradictory sides. As a girl, she is considerate, cheerful, and extroverted; as a lady, she is professional, high-end, but unemotional. She carefully and seemingly balances these two sides of her life with ease, and even her best friends don't know her real job. However, one day, the secret is revealed, the truth is exposed, and the balance is broken. How will our special girl face the ups and downs of life and emotions? This film tells the story of the extreme double life of a beautiful high-class lady, depicting the living conditions and emotional experiences of this group of girls that you know but have never paid attention to. For her customers, Xiao Xin can be anyone they want. She can become a quiet girl next door or a high-heeled queen with a whip. Her mission is to make money by satisfying men's fantasies. Her mantra: find out the customer's needs as soon as possible and then satisfy him. Her principle: never be emotional. But everything was broken when she met a young single handsome man. . . An independent and brave girl, a girl who looks confident but is lonely and inferior in her heart, a girl who is willing to give up everything for love. When she appeared in front of her father as a successful white-collar worker, her father just said: Just be happy.