Sitara Yaseen’s husband comes back, or tries to come back. They meet at the in-laws. Often when married people are having problems, the family tries to reconcile them. They usually manage to negotiate some kind of agreement, but it is rarely truly beneficial or livable for the woman or in this case, women involved.
Second wife should have been more supportive. Read more about Sitara Yaseen’s life in a polygamous family in Pakistan.