Camera Operator
After a peaceful sailboat ride, four young people, including rich kid Bill, Joe, Fred and Jane, knock on the door of a secluded villa after their dune buggy runs out of gas. Earlier in the day, Bill had given the lovely Jane a pearl necklace with a supposedly paranormal history, and this later opens up a can of worms. They are invited to spend the night at the mansion, owned by Lord Alexander and Lady Alexander, who happen to be hosting a strange ceremony that night attended by a group of eccentrics in black robes. During the evening, Jane exits her sleep chamber, seemingly in some kind of trance, and is lured to a sacrificial alter where the robed houseguests are hovering over her. As a knife is about to be plunged into the young lady, her three friends come to the rescue, but they are also witness to a chaotic mass murder catastrophe in which they flee with feelings of guilt and uncertainty.
Camera Operator
Doctor Miguel Azzini is found shot dead dead. The police suspect his colleagues: Elena Carli, his former mistress and owner of the clinic where he worked; Roberto Carli, her surgeon husband; Doctor Paula Lombardo, Roberto's mistress; and the clinic's administrator. Inspector Nardi discovers that Elena has a heart condition and had offered Miguel an increased sharehold in the clinic in order to dissuade him from leaving for another post. Elena's heart condition is worsened by the relentless police scrutiny and by her suspicion that Roberto is the murderer. She has to be rushed into hospital and is even more alarmed when Roberto prepares to operate...