A couple on holiday in Haiti become involved in a series of savage murders linked to a doctors a new invention, a drug with extreme side effects.

• Plata Cinematografica
• 14 Luglio Cinematografica
• Anthony Steffen
• Anita Strindberg
• Gabriele Tinti
• Umberto Raho
• Stelio Candelli
• Kathryn Witt
• Alfio Nicolosi
• Gordon Felio