Complex sentence: Steve meets Francis to tell her of his decision, but before he can she says she wants to adopt Ella's unborn baby-a sudden opportunity for Steve to save his marriage and have a child-likewise for Frances.
Split into simpler sentences: Steve meets Francis to tell her of his decision, but before he can she says she wants to adopt Ella's unborn baby. This is a sudden opportunity for Steve to both save his marriage and have a child-likewise for Frances.