First, if it's not already too late, please avoid the trailers, and I recommend watching the extended version with the alternate version. Why? One of the best surprises is spoiled in the trailer (lesser ones too) and the alternate ending is arguably better, definitely less simple and Hollywood-like despite the same final result. So, this was a very good thriller with an excellent concept I don't remember seeing done anywhere before in TV or film. What if your kid died in an accident but months later you were told by everyone he never existed? I appreciated how the subject was explored and how gradually that revelation and others were made. Is our mother delusional or is there something else going on? Of course, an option is more likely than the other, but the journey was suspenseful. At several moments in the film, there was an escalation of events that raised the stakes and made things more interesting and disturbing.

However, this thriller succeeds in part because it's grounded emotionally by Julianne Moore's intense performance. I felt for her ordeal and to be that believable, it's obvious she really is a mother who loves children. Of course, most mothers wouldn't be such great actresses. ;-) The other performances were decent and didn't detract. The directing also helped matters as the veteran Joseph Ruben obviously knows this genre. I appreciated the overhead shots, shots through obstacles and windows implying that our heroine might be observed. It wasn't the flashiest shots but they were well done. Of particular note to me were the accident and the captures, rather effective and shocking. I also liked how the color schemes differed from warm golden in flashbacks to cold bluish in the present. So, very neat "Twilight Zone" concept aptly executed with a great female lead. Your appreciation might depend on how open-minded you are, but for a critical cynic like me, I wasn't taken out by stupid behavior or illogical crap.

Rating: 7.5 out of 10 (very good)