Family Plot is a 1976 American black comedy thriller film directed by Alfred Hitchcock in his final directing role. It was based on Victor Canning's 1972 novel The Rainbird Pattern, which Ernest Lehman adapted for the screen. The film stars Karen Black, Bruce Dern, Barbara Harris and William Devane; it was screened at the 1976 Cannes Film Festival, but was not entered into the main competition. The story involves two couples: one a "fake" psychic and her cab-driving boyfriend, the other a pair of professional thieves and kidnappers. Their lives come into conflict because of a search for a missing heir. The film's title is a pun: "family plot" can refer to an area in a cemetery that has been bought by one family for the burial of its various relatives; in this case it also means a dramatic plot line involving various family members. Plot Fake psychic Blanche Tyler (Barbara Harris) and her boyfriend George Lumley (Bruce Dern) attempt to locate the nephew of wealthy, guilt-ridden, elderly Julia Rainbird (Cathleen Nesbitt). Julia's recently-deceased sister gave the baby boy up for adoption, but Julia now wants to make him her heir and will pay Blanche $10,000 to find him. Julia knows almost nothing about the infant. During his investigation George discovers that the boy was given the name Edward Shoebridge, and is thought to have died while still young. However George tracks down a man, Joseph Maloney (Ed Lauter), who paid for Edward's tombstone years after his supposed death, and George comes to think the grave is empty. George and Blanche bicker frequently, but he is as good an investigator as she is a psychic, and their relationship is solid. Meanwhile, it has been revealed to the viewers that Shoebridge murdered his adoptive parents and faked his own death, and is now a successful jeweler in San Francisco known as Arthur Adamson (William Devane). He and his live-in girlfriend Fran (Karen Black) kidnap millionaires and dignitaries, confining them in a secure room in the cellar of their home, and return them in exchange for ransoms in the form of valuable gemstones. Arthur conceals the latest ransom, a large diamond, "in plain sight" within a crystal chandelier hanging above the home's main staircase. When Adamson learns that George is investigating him, he enlists Maloney (the two had murdered Adamson's adoptive parents long ago) to kill Blanche and George. Maloney initially refuses