;Nove Ospiti per un Delitto"
; is a mediocre giallo in the tradition of Agatha Christie's "And Then They Were None"
; Nine members of the same family go to an island , where nobody lives - but the head of the family (Arthur Kennedy) owns a nice house there. Problem is that he and his three sons keep a dark secret
, and this dark secret begins to haunt them as soon as they are on the island
. One by one they fall victim to a mysterious killer.