It tells the story of Hua Qingyi, one of the "Four Bad Guys" in the U. S. A., Because of her ugly appearance, the person she liked only regarded her as her sister. She was sad and thought of knife skills. After plastic surgery, she successfully transformed into a beautiful girl. When she appeared in front of her boyfriend, he couldn't recognize her. Hua Qingyi hated him for disdaining her in the first place, so she played all kinds of tricks to punish him. Later, Qingqing successfully entered the entertainment industry. With her beautiful appearance and superb acting skills, she became a popular actress on Hong Kong TVB. During the filming, there were a lot of jokes, and the anecdotes of the other three villains Hou Tinghua, He Shuxian and Zhong Xiuling were enough to make you burst into laughter. The book is humorous and easy to laugh at. It is an attempt at a new theme. It perfectly combines campus culture, youth literature and knife skills to create a different comedy effect. The text is simple and unembellished, making it easy, natural, smooth and comfortable to read.