How do I structure a high level introduction?

Begin your introduction with a focused sentence that includes the text(s) you will be discussing, whilst stating how you will present your main argument. The following few sentences should outline the different avenues you will take within your essay, and therefore will show what the focus of your following paragraphs will be. You should also include some contextual information about the text(s) in order to show you are engaging with broader issues of its time and how that may influence its ideas. You should avoid going into deep analysis, or making sweeping and generalised statements. 
For example, ‘In The Great Gatsby, To His Coy Mistress and She Walks in Beauty, the physical nature of love is presented via the different relationships explored in each of the texts. Physical love is explored both in terms of sexual desire as well as an aesthetic appreciation of physical appearance as was characteristic of the idealisation of women in 19^thcentury romantic literature. These different approaches to physical love reflect the conflict between pragmatism and idealism which characterise their presentation in the texts. Whilst physical love as sexual desire may at first be considered subordinate to or lesser than a physical love which is symbolic of the romantic idealism of a female lover, ultimately, this later form of physical love is perhaps equally if not more worthy of contempt that the former given the futility and naivety of trying to present physical love in idealistic terms.’