The character of Sheila Birling is used to highlight aspects of British society in the early 20th century according to a 5-paragraph plan for an essay on An Inspector Calls. Sheila progresses from representing the expectations of upper class women at the start of the play to embracing more independent views that reflect societal changes occurring in 1912. The plan analyzes 5 key moments for Sheila that demonstrate the class divisions, gender roles, and hypocrisy within the upper class as well as how she begins to challenge these social norms over the course of the play.