A party to a divorce proceeding may sign the papers and not be present in the state nor country. She will need to file an appearance and submit to this jurisdiction.
Unfortunately, in the small space provided for questions one is unable to get a full background of the story. In the situations such as you are explaining you should immediately seek the counsel of a capable attorney that practices in the area of family law or if you cannot afford an attorney, you should seek a social service organization in your area. This answer is general in nature and does not form an attorney client relationship. If you would like to get more information on this topic or to establish an attorney client relationship please contacts my office.
A weekly guide with tips and legal advice for each stage of the process.