Various undesirables and hippie drifters are invited to the luxury, ultra-modern country home of Dr. Antonio and his wife; when they begin to vanish, it becomes clear that something sinister — and deadly — is afoot.

• Canguro Produzioni Internazionali Cinematografiche
• Marina Malfatti
• Enzo Tarascio
• George Willing
• Daniela Caroli
• Claudio Biava
• Dominique Boschero
• Lucio Dalla
• Nino Castelnuovo