In order to succeed as Miranda's assistant, a job that "a million girls would die for", Andy comes to the pressures of the not only the job, but in dealing with Emily, the snooty first assistant, and Miranda, the boss from hell. Andy's desire is slowly achieved even though harsh experiences with her boss, Miranda occurred along her way to work success. .
The office environment is a cold and extremely critical with the physical appearance. Andy will have to change her simple and plain style, for a more trendy and elegant one, in order to gain the acceptance of her ruthless boss and colleagues, especially Emily, her unpleasant workmate. Emily portrays the competing style of conflict, and is motivated by competitiveness. Emily painfully reminds Andy that if she screws-up", that would jeopardize Emily's changes to go to Paris. Despite everything against Andy in the office, she considered the experience as a challenge, drastically changing her clothes and self-image, with the help of Nigel, the magazine's art director. .
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Nevertheless, the job becomes extremely demanding, because of Miranda's tough work rhythm and nearly impossible tasks, leaving Andy without a private life with her boyfriend, family and friends. Later on, in the eyes of her boyfriend and friends, the old Andy has gone, and becomes more preoccupied about her image and her future in the magazine. When Miranda demands that she obtain the next unpublished "Harry Potter" manuscript, you can sense that she is trying to force her to quit, but it makes the young woman dig in to please her boss. However, with her new appearance and the demands placed on her, she starts to lose her friends, family and her live-in boy friend. As she is whisked away to Paris with Miranda and faces the entire glamour that could be hers, including a flashy if not artificial freelance journalist, she is forced to make the decision of where she wants to be in her life.