Imagine you're a psychiatrist in a prison for the criminally insane, and one day you wake up in institution you've worked at, accused of a horrible murder, and with no memory of the last several days. Halle Berry is the psychiatrist in this 2003 thriller/mystery/ghost story that almost but not quite lives up to it's promise.
As she struggles do ascertain her own sanity, our psychiatrist also has to cope with ghosts that keep appearing to lead her to the unexpected solution to the mystery. The last 5 minutes of the flick has several surprises.
Halle Berry did a great job, and I enjoyed the movie, but at the end I just felt slightly shortchanged; it was good without being great, and I suspect that other viewer's opinions will be all over the place on this one.