Ten people are invited to a hotel in the Iranian desert, only to find that an unseen person is killing them one by one. Could one of them be the killer?

• Talía Films
• Corona Filmproduktion
• Oliver Reed
• Elke Sommer
• Richard Attenborough
• Stéphane Audran
• Gert Fröbe
• Herbert Lom
• Maria Rohm
• Adolfo Celi