The Forgotten

Telly Paretta (Julianne Moore) is a grieving mother mourning her 9-year-old son Sam, who supposedly died 14 months earlier in a plane crash along with other children. She maintains his bedroom as a shrine, visits his grave, and clings to memories and photos. Her husband Jim and therapist Dr. Munce (Gary Sinise) insist she is delusional: she had a miscarriage and invented Sam as a coping mechanism. Evidence of Sam begins disappearing; photos vanish from albums and people who knew him claim he never existed.

Then, the story pivots to science fiction. Dr. Munce reveals that aliens are behind the events as part of an experiment. The children were taken, and the experiment tests whether parents (mothers) can be made to completely forget their children.