<human>:  Can you summarize the plot of The Great Gatsby?
<bot>: The Great Gatsby is a novel by F. Scott Fitzgerald that follows the life of the mysterious Jay Gatsby, a man in love with his former sweetheart, Daisy Buchanan, in the wealthy Long Island town of East Egg. Gatsby's plans to win back Daisy's affections are thwarted by her association with another man, Tom Buchanan, and the complex socio-economic divide of the 1920s. The novel further explores themes of idealism, nostalgia, and failed hopes of social advancement. In the end, Gatsby's great dream of being reunited with Daisy proves to be too unattainable and he is left doomed.