Christine Lucas (Nicole Kidman) awakens every day to find her memory gone...and to have her husband Ben (Colin Firth) bring her up to speed, explaining that her condition resulted from a long-ago trauma. Her therapist (Mark Strong) thereafter tells her of the video diaries he's covertly had her keep and hide. Can she piece together the truth of what happened to her...and will she regret it? Clever thriller co-stars Anne-Marie Duff. 92 min. Widescreen (Enhanced); Soundtrack: English DTS HD 5.1 Master Audio; Subtitles: English (SDH), Spanish, French; featurettes; theatrical trailer.