A taut thriller based on the worldwide best-selling novel by S.J. Watson,
BEFORE I GO TO SLEEP is the story of a woman (Nicole Kidman) who wakes up
every day with no memory as the result of a traumatic accident in her past.
One day, terrifying new truths begin to emerge that make her question
everything she thinks she knows about her life - as well as everyone in it,
including her doctor (Mark Strong) and even her husband (Colin Firth).