A leftist professor wants the truth about two men killed during a hunting party; but the mafia, the Church and corrupt politicians don't want him to learn it.

• Cemo Film
• Gian Maria Volonté
• Irene Papas
• Gabriele Ferzetti
• Laura Nucci
• Mario Scaccia
• Luigi Pistilli
• Leopoldo Trieste
• Salvo Randone