When little Conrad Van der Bosch claims he has an invisible tiger called Sigmund hiding on his wardrobe, his child-psychologist father sees the 'lie' as a deliberate act of juvenile defiance. Doctor Van der Bosch is concerned that the boy is mentally maladjusted and in an attempt to terrify Conrad into admitting that there never was an invisible tiger, creates the terrifying figure of Mister Holgado, a child-eating monster who is apparently hiding...