Birthday party celebrants, exercise fanatics and apartment tenants must run for their lives when bloodthirsty demons begin taking over their building. No one is safe as the demons multiply rapidly, transforming every victim into a new demon. Lamberto Bava directs and famed fright master Dario Argento produces this terrifying Italian sequel that stars Coralina Cataldi-Tassoni, David Knight, Nancy Brilli and Asia Argento.