The Forgotten (2004)

Director: Joseph Ruben

Cast: Julianne Moore, Dominic West, Gary Sinise, Anthony Edwards

Telly Paretta is 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.