The Great Gatsby is set in the United States during the 1920s, a period known as the Jazz Age. The story is narrated by Nick Carraway, a young man who moves to New York and becomes involved in the world of the wealthy elite.
Nick meets Jay Gatsby, a mysterious and extremely rich man who is famous for his luxurious parties, attended by many people who do not actually know him. Gatsby is deeply in love with Daisy Buchanan, a woman from his past who is now married to Tom Buchanan.
As Nick learns more about Gatsbys life, he discovers that Gatsbys wealth was earned in questionable ways and that his main goal is to reunite with Daisy. However, the relationship between Gatsby and Daisy is complicated by social differences, marriage, and personal choices.
The novel explores themes such as the American Dream, wealth and corruption, love and illusion, and the emptiness behind material success. In the end, Gatsbys dream leads to tragedy, showing how idealism can be destroyed by reality.