Communion (1989) Starring: Christopher Walken, Lindsay Crouse and Frances Sternhagen.

Whitley Strieber goes with his family and some friends to his holiday home in the forest. They experience some weird occurances, are they UFO activity? Whitley is abducted and then faces a horrible dilemma; was I abducted or am I going mad? He sees a psychiatrist who tries to use hypnotic regression to discover the truth.