Martino serves up a heap of heaving titillation and bloodletting—produced, in a foray into giallo, by future Antonioni producer Carlo Ponti—with a slasher loose in Perugia, targeting the university’s female co-eds. Exchange student Suzy Kendall (To Sir, with Love) and Tina Aumont (Fellini’s Casanova) split to a villa with lesbian couple Carla Brait and Angela Covello, but there is no escape, and… “to preserve the surprise ending, no one admitted during last 10 minutes.”