Synopsis: Strange things are going on in a beautiful and decadent Venetian villa. A young mother (Bluebeard's Nathalie Delon) is horrified to discover that the imaginary friend of her son (Alessandro Poggi) is the second child she lost during her last pregnancy. Haunted by guilt, plagued by freak accidents and disbelieved by her husband (Danger Diabolik's John Phillip Law), she turns for help to a famous psychiatrist (Baron Blood's Joseph Cotten)... only to learn that the ghost of her dead child is a very naughty boy.