Let's Scare Jessica to Death

Jessica has been released from a mental institution to the care of her husband, Duncan, who has given up his job as string bassist for the New York Philharmonic and purchased a rundown farmhouse in Connecticut. When Jessica, Duncan, and their hippie friend Woody arrive, they are surprised to find a mysterious drifter, Emily, already living there. When Emily offers to move on, Jessica invites her to dine with them and stay the night.