Plot summary

Giorgio Mainardi (Diulio Del Prete), a wealthy, middle-aged financier, lies dying in a hospital bed surrounded by his family. He has collapsed suddenly, coughing up blood. His last word is to his stone-faced family is, "why?" The doctor's diagnosis of Giorgio's death is an internal haemorrhage, possibly from an stomach or intestinal ulcer. The following day, Giorgio's daughter Rosie (Karina Huff) arrives at the Mainardi estate having taken a leave of absence from her college studies to attend the funeral and for the reading of the will. Rosie soon finds her entire family squabbling over the estate. Giorgio's middle-aged stepmother Hilda (Frances Nacmen), refuses permission for an autopsy, and taunts her elderly husband, Giorgio's father Paolo (Paolo Paoloni), who is near death himself from a recent stroke and is unable to move or speak. Meanwhile, Hilda's own son Mario (Pascal Persiano) is revealed to be having an affair with Giorgio's young, third wife Lucy (Bettina Giovannini). Lucy is only a few years older than Rosie, and is apparently the only one of the Mainardi family who shows any compassion for her presence.Giorgio's spirit remains conscious after death and from his buried coffin, he tries to communicate with Rosie. He succeeds by entering her dreams and entreats her to discover who in the family was responsible for his death. However, he tells her to hurry, for as his corpse rots away in the coffin, so does his power to communicate with his daughter. At the funeral, each of the family mourners think back to their relationship with the dead man. Lucy remembers his anger at her frigidity. Mario recalls how Giorgio humiliated and insulated him after he asked for financial help in obtaining a business position. Hilda fumes over the memory of Giorgio ordering the bank not to let her cash the checks from his sick fathers account. Rita, (Antonella Tinazzo), Giorgio's mistress, remembers being spurned when Giorgio rudely broke off their secret affair and decided to go back to his wife.At the reading of the will, bad feelings erupt when it is found that Giorgio has left his entire estate to Rosie. Lucy, however, is allowed to remain at the house. But even she is angry because no provision has been made to their child, David, a little boy whom Giorgio believes was not his.Despite Hilda's objections, an autopsy on Giorgio goes ahead. The pathologist (Lucio Fulci) takes a sample of his small intestines and discovers some lacerations to the interior wall. He puts the sample in a jar of formaldide for later inspection. A little later, Rosie and her college boyfriend Gianni (Lorenzo Flaherty) discover that the jar containing the organ pieces removed from Giorgios corpse have been "accidently" smashed. But Gianni, a medical student with access to the pathology lab, tells Rosie that he'd found minute splinters of glass in the intestines before the accident accrued later that night. He suggests that they go the police with their supcisions, but Rose, who is now frequently and telepathically in touch with the spirit of her dead father, insists they investigate themselves rather than attract a public scandal.Lucy tells Rosie that Giorgio had returned form a visit to his mistress the night of his collapse. Rosie suspects that Rita may have put the mini-glass shards in his food. Lucy talks to the Maitre d' (Tomasso Felleghy) at a local restaurant where Rita and Giorgio visited for their secret dates. But the Maitre d' tells Rosie that the couple ate and drank nothing, having pitched into a furious row the moment they arrives over Giorgio wanting to end their clandestine affair. They soon left the restaurant without even drinking a glass of wine. With Rita written off as a suspect, Rosie returns to the house, but accidentally discovers that her soda drinks have been poisoned when a mini hypodermic hole is found at the top of one of her cans of soda. Rosie talks to Dorie the housekeeper (Sacha Maria Darwin), and little David's nanny who says that only she, David, and Lucy were in the house on the night of Giorgio's death. Rosie notices that David is playing with a mortar and pestle. She confronts Lucy, who acts oddly, but seems distressed rather than panicked by her stepdaughter's suspicions.After a significant dream, Rosie wakes up with the answer to the puzzle. The glass shards had been concealed in the ice-cubes Giorgio Mainardi took with his late-night drinks. Rosie confronts Lucy and reveals that the plot must have been hatched by the grasping Hilda Mainardi and her son Mario. Hilda enters and admits the plot to kill Giorgio for his money, and adding slyly that Lucy has known about the plot, but did nothing to stop them. In case of discovery, young David had been encouraged to play with the mortar and pestle, grinding up a light bulb into tiny splinters an adding them to the water in the ice-cube tray as a "game." They way Hilda hoped to explain the murder away as a tragic accident. Rosie tells Hilda that she will leave the conspirators to fest in the Mainardi house together instead of informing the police. As she leaves, Rosie tells Hilda that Giorgio's vengeful spirit will be everywhere, haunting them to the grave.