"The Skeleton Key" is a strange movie. For about 90 minutes, it's a routine supernatural thriller with all the usual mysteries and scares, something that seems instantly forgettable. Then it unloads a nasty little twist that suddenly throws everything that went before into a ghoulish light, making you re-evaluate all the clues threaded through the story.
The film has its fans, but I still can't quite decide whether it is a clever ploy from screenwriter Ehren Kruger ("Scream 3," "The...