Following in the footsteps of Christopher Nolan's breakout thriller Memento, and, oddly enough, the Adam Sandler/Drew Barrymore comedy 50 First Dates, Nicole Kidman plays the latest victim of anterograde amnesia in the first trailer for Before I Go to Sleep. Nicole Kidman stars as Christine Lucas, a woman who had a terrifying accident in her past, resulting in anterograde amnesia, where her mind is wiped clean each day, remembering nothing from her past life. Colin Firth plays her husband Ben, who must remind Christine who she is every day of her life, with Mark Strong starring as the mysterious Dr. Nash, who is trying to help Christine get her memory back. Written and directed by Rowan Joffe, based on the international best-selling novel by S.J. Watson, Before I Go to Sleep hits theaters on September 12.

Starring Nicole Kidman, Colin Firth & Mark Strong, Before I Go to Sleep is a psychological thriller based on the worldwide best-selling novel about a woman who wakes up every day remembering nothing - the result of a traumatic accident in her past - until one day, new terrifying truths emerge that force her to question everyone around her...