Overview
Communion is a 1989 American science fiction horror film based on the book of the same name by Whitley Strieber in 1987.
Starring Christopher Walken and Frances Sternhagen, it tells a story of a family that experiences an extraterrestrial phenomenon while on vacation at a remote home in the wilderness during which the father is abducted and all of their lives change. According to Strieber, the story is a real-life account of his own encounter with "visitors", with Walken playing the role of the author.
Plot
In 1985, New York based author Whitley Strieber (Walken) lives with his wife and child in Manhattan and seems to be successful. However, he is woken at night by paranoid dreams that someone else is in the room.
On a trip to the family cottage in the woods, on the first night the intruder alarm is triggered and Strieber sees a face watching him from the doorway. Bright light fills the cottage windows and wakes his son and two other family friends but his wife remains asleep.
From Wikipedia (CC BY-SA 4.0).