The novel is set during the roaring 20s in America narrated by Nick Carraway a man from a well-to-do family just out of fighting the war and looking to sell bonds. He moves to East Egg the slightly less grand area in comparison to West Egg right opposite Gatsby's mansion. Gatsby is rich mega-rich and throws magnificent parties every weekend which the whole town attend. However the host is never seen during these parties and is never completely known by any one person. Gatsby holds a dark secret about his past and how he became so great a deep lust that will eventually lead to his demise.
-The Guardian