Hilary Martyn

In the late 18th century, two newlyweds move into the stately mansion of the Fengriffen family. The young bride is victim of terrifying visions and apparitions, threatening her very sanity. A London psychiatrist comes to her help and uncovers the terrible secret that haunts the estate.

A couple whose son had been institutionalized for three years are shocked to discover that the diagnosis was wrong, and that their son is, in fact, deaf.

British crime film directed by Peter Duffell and starring Bernard Lee, Moira Redmond and John Van Eyssen, loosely based on the 1918 novel "The Man Who Knew" by Edgar Wallace.