In the 1800's there was a couple who lived a middle class life. However the wife Madame Loisel always wanted more and live a wealthy, popular life.
Monsieur Loisel gets his wife an invitation to a party where all the wealthy, famous people would be there. Madame Loisel didn't want to go because she didn't have nice clothes and jewelry to wear
Madame Loisel uses Monsieur Loisel's money to buy herself a nice, new dress. She also goes to her friends house to borrow a necklace.
After the party Madame Loisel takes a old, destroyed cab home and loses her friends necklace and she doesn't know where it is.
Monsieur Loisel uses all his families money and gets a loan in order to buy a new one. The couple returned the fake necklace but became broke for 10 years.
10 years later Madame Loisel sees her friend and confronts her and tells her they spent all there money buying a diamond necklace but Madame finds out the necklace was only paste and they wasted their money.