Stranger Than Fiction (2006)

Harold Crick is a lonely I.R.S. auditor in Chicago, living a routine and uneventful life until he begins hearing a mysterious voice narrating his every move. At first it seems impossible, but the narration soon starts shaping his work, his relationships, and even his sense of what lies ahead. As Harold tries to understand why his life is being told aloud, his ordinary existence becomes anything but.