Her husband is grateful for what they have but she is not and wants something better
Falling Action
I Lost the necklace!!!!
Her husband gives her a letter to go to a party but she doesnt appreciate it but after he convinces her she needs a dress and some jewlery.
Conclusion
I had to work for 10 years because of that necklace
Madame Forestier asks her friend to borrow a necklace that looked expensive so that she can look rich
I want this one
After the party she takes all her clothes off and realizes that she lost the necklace. Her husband goes to look for it but cant find it.
I can't find it
Madame Forestier runs into her friend Mathilde and Madame says she worked for ten years to pay off the necklace she lost but then Mathilde says it was a replica and was only worth 500 francs.
The necklace was a replica and it was 500 francs at most