Edna shares a dinner with Robert, her main love interest despite being married. She enjoys a lovely evening with him and begins to believe that their love can overcome any obstacle. However, she quickly falls into despair after Robert does not visit her the following day. Her cluttered love life is part of her rebellion and realization of self.
Adele has fallen ill. Edna stays with her as she draws her final breathe. Adele was Edna's greatest friend through her struggles and changes. Adeles final words cause Edna to realize the effects of what she has been doing and how it affects her family.
Think of the children.
Edna receives a note from Robert that professes his love to her, but also says that they cannot be together because of how it would affect both of their lives. Edna is devastated by the letter and feels lost once again.
Edna retreats to the water, the only place she has felt truly comfortable and free. She thinks over everything that she has beeen doing and searches for her freedom in the ocean.
Edna decides the only way to freedom is death. She never leaves the ocean but feels she has made the right decicion. By doing this she has freed herself, and freed her children of all of her wrong doings.