"The Forgotten" (2004)

The Forgotten Movie Synopsis: Julianne Moore stars as Telly Paretta, a grieving mother struggling to cope with the loss of her 8-year old son. She is stunned when her psychiatrist reveals that she has created eight years of memories about a son she never had. But when she meets a man who has had a similar experience, Telly embarks on a search to prove her son's existence, and her sanity.