What is the movie about a woman who thinks her husband left her for his mistress but really he died?

The movie begins with a funeral, but then jumps back to a woman
believing her husband disappeared because he left with his mistress.
In the end of the movie they find the husband's body and then the
movie goes to the funeral again. Also, the woman has 2 or 3
daughters... I remember it being a really good movie. I just can't
remember the name or who was in it.