Nick meets Jordan when he goes to see his second cousin, Daisy, and her husband, Tom.
Jordan and Nick start hanging out together, in the romantic sense of the word.
She reveals that she likes Nick because he isn’t careless.
Jordan introduces Nick to Jay Gatsby at a party they attend at Gatsby’s house.
Gatsby takes Jordan aside at the party to tell her something.
We find out that Jordan probably cheated in a golf tournament.
Jordan admits to being a horrible driver and says she’ll be fine as long as she doesn’t meet another careless person. She’s also a practical girl. And jaded.
Nick really falls for Jordan.
Jordan asks Nick if he’ll arrange for Gatsby and Daisy to meet.
Jordan goes to the city with Nick, Gatsby, Tom, and Daisy, and is present for the showdown between the two men.
She rides back to Long Island with Nick and Tom and is present when they come upon the hit-and-run aftermath.
She has an awkward phone conversation with Nick in which they seem to break up.
Later, after Gatsby’s death, they have a more explicit phone conversation. Jordan confesses that no one has ever broken up with her like that. She accuses Nick of being dishonest and of being a "careless driver."