A brother and sister move into an old seaside house that has been abandoned for many years on the Cornwellian coast. They soon discover that it is haunted by the ghost of the mother of their neighbor's granddaughter, with whom the brother has fallen in love.
Virginia Cunningham is confused upon finding herself in a mental hospital, with no memory of her arrival at the institution. Tormented by delusions and unable to even recognize her husband, Robert, she is treated by Dr. Mark Kik, who is determined to get to the root of her mental illness. As her treatment progresses, flashbacks depict events in Virginia's life that may have contributed to her instability.
Newspaper reporter Michael Ward plunges into a nightmare of guilt, fearing that his "evidence" has sentenced the wrong man to death.
