As a ghost story...

...the first part of the movie was good. It was appropriately eery when the premise was that they were reincarnated lovers. The writers should have kept that story line. Once they added the bit about "Ben" being insane, and the reincarnation as a wild man's fantasy, the feel of the movie was ruined.

I also agree with other posters that the ending was bizarre with everyone standing around watching him try to kill Harry.

“Listen, don’t any panic body, just because the comesters are ganging.”
J. Grumby