Secret Ceremony is a 1968 film, produced in Britain and released by Universal Pictures. Based on the book by Argentine writer Marco Denevi, it stars Elizabeth Taylor, Mia Farrow, Robert Mitchum, Pamela Brown, and Peggy Ashcroft. Joseph Losey directed, from a script by George Tabori.
A resemblance to Cencis late mother becomes obvious once Leonora notices a portrait. Cenci, who isbut looks and acts much younger, asks Leonora to stay. A lie is told to the housekeeper Hannah that Leonora is actually Cencis aunt.Cenci is found one day cowering under a table. Albert, her stepfather, has paid a visit. Cenci is terrified of him, claiming that as a child, Albert tried to seduce her. Leonora is repelled by the mans presence until Albert tells her that Cenci is mentally unstable and had repeatedly tried to seduce him. ........
Source: Wikipedia