Jeffrey Dean Morgan in The PossessionTHE POSSESSION

The new horror thriller The Possession is about a little girl who requires an exorcism to remove the evil dybbuk inhabiting her body, and it opens with a title card informing us that the film is "based on a true story." You know what I'm aching to see one of these days? An exorcism-themed entertainment that isn't based on a true story. Can you imagine how much fun these things could be if we weren't consistently asked to believe in them?

Kevin Bacon and Sean Penn in Mystic RiverMYSTIC RIVER

It's tempting to say that in Mystic River, Clint Eastwood's complex, heartbreaking adaptation of Dennis Lehane's terrific murder mystery, Sean Penn gives the most nuanced approximation of grief to be found anywhere in modern movies.