In the exposition, it introduces all of the main characters, the setting, and what the background is. It shows the family is poor, the wife is very good looking, and that she has an expensive taste. She loves elaborate expensive things because it makes her feel special, and able to be noticed.
Madame Loisel doesn't have a dress or a necklace to wear to the dance. This is a major problem for her and her husband because the dress costs 400 francs which is a large amount for a poor family.
In the rising action, it states about the dress and how she doesn't have one to wear. So she goes and buys one with the 400 francs her husband gives to her. Next she knows her dress is incomplete so she goes looking for a necklace to complete it. She borrows the diamond necklace form a friend.
In the climax, she goes to the dance and gets everybody's attention. When it gets late, her husband goes to sleep in another room. Madame Loisel keeps partying like a boss and finally leaves around 4. When she and her husband leave, they go into a taxi and she loses her necklace.
In the falling action, it tells about how Madame Loisel and Monsieur get the money to pay back the Necklace she lost. Her husband has 18,000 francs in an inheritance, and they work odd jobs and save up all of their money to pay back the 36,000 francs that the necklace cost.
In the resolution, Madame Loisel sees her old friend, Madame Forestier ten years later. She goes up to Forestier and tells her about how she lost her necklace ten years ago. How she bought a replacement for it. Then Forestier tells her that the necklace was a fake and she didn't need to spend all that money on it.