The book follows Nick Carraway, a young man from Minnesota, who moves to New York in the summer of 1922 to learn about the bond business.
He rents a house in the West Egg district of Long Island, which is near his cousin Daisy Buchanan, and her husband Tom.
There he also meets the mysterious, self-made millionaire Jay Gatsby, who happen to also be his neighbor. Gatsby threw fabulous weekly parties, which is where Nick eventually met him.
Nick grows very fond of Gatsby, and vice versa. Quickly Nick learns that Gatsby knew Daisy in Louisville in 1917 and is deeply in love with her.
When Gatsby found out that Nick was Daisy’s cousin, he asked Nick to arrange a meeting between himself and Daisy, because he was afraid that Daisy would refuse to see him if she knew that he still loved her.
Nick then invites Daisy to have tea at his house, without telling her that Gatsby also would be there. After a very awkward reunion, Gatsby and Daisy reestablish their connection.
Their love rekindled as they began to have an affair. Meanwhile Tom, Daisy’s husband also had an affair with another married woman, named Myrtle Wilson.
Myrtle is a lowlife person who desperately seeks a better life than the one she has, which she attempts to by becoming a mistress to the wealthy Tom Buchanan.
Though, Tom doesn’t want to be seen with her, to Tom, Myrtle is just another possession, and when she tries to assert her own will, he resorts to violence to put her in her place.
Short after the beginning of Gatsby and Daisy’s affair, grows Tom suspicious of his wife’s relationship with Gatsby.
At a luncheon at the Buchanan’s house where Gatsby also were invited, he stares at Daisy with such undisguised passion that Tom realizes he’s in love with her.
This deeply outrages Tom. He then forces the group to drive into New York City, where he confronts Gatsby.