"Nove Ospiti per un Delitto" is a mediocre thriller in the style of Agatha Christie's"And Then There Were None". Nine members of a single family travel to an uninhabited island, where the family patriarch, Arthur Kennedy, owns a beautiful house. However, the family is burdened by a dark secret that begins to haunt them as soon as they arrive on the island. One by one, they become victims of a mysterious killer...(IMDb)