Struggling against brain damage, Christina Lucas, a young smart girl, who after a car accident loses her memory, as she wakes up with no idea about her life, the thing that challenges her.
There are a lot of decent jolts and pregnant pauses that build to an unexpectedly emotional ending - there won't be that much new if you've read the book, but it's still an intriguing premise all the same.
Throbbing musical crescendos and flickery flashbacks abound but apart from some outlandish plot machinations, nothing here is good or bad enough to be memorable.
Kidman and Firth are both excellent in their sadness and savagery, and Joffe builds tension far better than most of the horror movies available at your local Cineplex this Halloween weekend.