What movie is it where the husband tries to kill wife and he thinks he does, but she receives plastic surgery and comes back beautiful only to trick him into falling in love with her as this new person. She wants to be with her kids again and plots revenge on him. At the end of movie she lets him know that it is her and she is still alive. I don't believe it's return to eden.

Okay - I think it MIGHT be Return to Eden. It looks like there are actually 2 series titled the same thing, one from 1983, one from 1986 (don't know if they are related, I just looked at the first one, and it seemed to fit your description.) The one from 1983 looks like it is a 3 part mini-series, here are breakdowns of each episode I got from a different website:

Episode 1: The central character in the show is Stephanie Harper, a rich heiress after her father passes away.
As the series starts Stephanie Harper is marrying Greg Marsden a champion tennis player who is a few years younger than her. Everyone can see that he is no good. He has been having a secret affair with Stephanie's best friend, Jilly Stewart. Whilst on their honeymoon at Eden, Greg pushes Stephanie into a crocodile infested pool.

Episode 2: Everyone thinks Stephanie has died but really she has escaped and is given a new body, face and name by a plastic surgeon named Dr Dan Marshall. She returns to Sydney as a new woman using the name Tara Welles, where she becomes a model and makes Greg fall in love with her. They return to Eden where Jilly follows them. Stephanie comes up with a plan and confronts the pair of them. Greg shoots the aboriginal help working for them whilst Stephanie and Jilly save Eden from burning down.


Episode 3: Greg tries to kill Stephanie in the swimming pool. Instead he is badly injured by Jilly and he attempts to flee in an aeroplane. It crashes and he is killed. The next day the police arrive and arrest Jilly. Stephanie is then reunited with the Dan and with her two children, Sarah and Dennis

Here's the link to the IMDB synopsis:
http://www.imdb.com/title/tt0085079/

Sounds similar, but I don't believe it's this movie. This person was not very attractive until her accident caused her to have plastic surgery which made her beautiful. She then went back to the husband who hated her and had him fall in love with her again as this new person with this new face. Her kids start to care for her not knowing that she is their real mother. At the end she reveals to him that she is his thought to be dead wife and he is shocked. I don't remember much after that. Do you still thinks it's this return to eden?

Hmmm - it does say that she becomes a model after the surgery, and that her husband falls in love with her new self, and that at the end she is reunited with her two children, but I guess you would have to watch it to be certain.