Wealthy businessman Giorgio Mainardi has died of a stomach hemorrhage, but his ghost is not so sure that it was a random misfortune and wants to know the truth. Unfortunately, almost everyone around him is happy to see him gone. Everyone, that is, except for his daughter Rosy, who still feels affection for her father even though they have drifted apart. With her medical student boyfriend, Johnathan, Rosy will try to get to the bottom of her father's death.
A gang of ruthless thugs intent on robbery prey upon a seemingly harmless elderly couple, Vittorio and Sara. The simple plan turns into a terrifying nightmare, as Vittorio's antique clock collection mysteriously turns back time. Now the hunters become the hunted and the old couple becomes a vengeful, malevolent force.
Mark Ravenna, a famous Italian horror film director, sets out to script his latest film entitled 'Suspiria : De Profundis'. His film is based on Dario Argento's 'Suspiria' and 'Inferno' and deals with the story of Levana, Queen of all Witches. Levana is the eldest of the three mistresses of darkness, mother of madness, most powerful of all evil. Ravenna is warned not to make his film in fear of actually summoning Levana to the present day. He does not heed these warnings and casts his wife Anne to play the lead role of Levana. Anne reads the script and is then haunted and terrorized by the evil witch who tells her she will suffer terrible tortures if she continues, and that everyone involved with the production will suffer dire consequences.
When Francesco returns home with the assumption that his father's wealth will be there to keep him content, he discovers that his father has lost everything to a German countess while gambling.
In the year 2030 mankind has regressed to ape form. In order to explain this, a scientist shows a 20th century film about a Roman couple in a society gone mad slightly more than usual to his audience.
Christmas holidays on the snow of Cortina D'Ampezzo. Mario, a guy from Rome who has not much money, falls in love with the American Samantha, the girlfriend of hypochondriac Roberto. Billo, a singer and a playboy, meets Ivana: she's married with a rich man, Donatone, but in the past she had a flirt with Billo, who wants to reignite the flame.
