A series of terrifying accidents and brutal murders leave a bloody trail into the subterranean caverns of an Opera house. Below the theatre stalks a man raised by creatures of the underworld.

• Cine 2000
• Medusa Film
• Julian Sands
• Asia Argento
• Andrea Di Stefano
• Nadia Rinaldi
• Coralina Cataldi-Tassoni
• István Bubik
• Lucia Guzzardi
• Aldo Massasso