We are introduced to a woman and her husband . From what we have seen the woman mourns over the life she has and feels entitled and treat her husband like a pushover. When her husband suggests going to a ball she doesn't want to go since she feels poor so her husband gives her money and she also borrows her friends necklace.
I lost the necklace.
They go the the ball and end up having a good time , but once they are home the wife discovers that the diamond necklace is gone.
It wasn't real diamond it was fake.
She lives her next 10 years miserable and losing things.
Just don't lie be honest.
She reveals to her friend what really happens to the diamond necklace
Her friend reveals that it wasn't real diamond .
She learns to be honest and makes up with her friend.