Delirium is the first movie of the "Delirium Cycle". One of the most popular movie by FS. Obsessions, delusions, hate, hopelessness, humiliation and death in an experimental film signed FS. Reviewed in the Italian journal's cult 'Nocturno'. The location (Torre di Cerrano, near Pescara, Italy) is the same of 'Nelle Pieghe Della Carne' (aka 'In the folds of the flesh', 1970) cult movie by Sergio Bergonzelli.