Pollution caused by an incinerator drives people mad and turns them into maniac killers. But, instead of the victims' bodies, the three wise monkeys are found (one cannot hear, one cannot see, one cannot speak).

• Tecnofilm
• Flavio Bucci
• Ida Di Benedetto
• Alexandra Delli Colli
• Pietro Francescato
• Janet Ågren
• Richard Benson
• Roberto Berion
• Antonio Scapinello