I have an awesome idea for this rewrite. It's going to start with Jessica being the nagging girlfriend. He's running late for their wedding. Then, at the end, he's going to walk through her and she's disappears into a wispy smokiness.
Because she's actually the ghost and he's going to her funeral.
"Writing is like prostitution. First, you do it for love, then you do it for a few friends, and finally you do it for money." ~ Moliere