Ten strangers with dark histories are mysteriously summoned to a remote desert hotel in Iran, where an unseen host exacts revenge for their past misdeeds. Agatha Christie mystery, starring Oliver Reed, Richard Attenborough, Elke Sommer, Herbert Lom, Gert Frobe and Stephane Audran.

Ten strangers are summoned to a remote island and while they are waiting for the mysterious host to appear, a recording levels serious accusations at each of the guests. Soon they start being murdered, one by one. As the survivors try to keep their wits, they reach a disturbing conclusion: one of them must be the killer.