There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?
Tom Drake
Inspector Greville
Femi Benussi
Simone Marot
Virgilio Gazzolo
Commissioner Etienne
Ivo Garrani
Leon
Ernesto Colli
Janot
Valeria Ciangottini
Colette Marot
Isarco Ravaioli
Jules Didier
Giovanna Lenzi
Rosalie
Andrea Fantasia
Notaio
Alessandra Maravia
Natalie
Arnaldo De Angelis
Oscar Marot
Aurelio Marconi
Usuraio
Wake Up Dead Man: A Knives Out Mystery
The Nude Vampire
Sya
Suspiria
Blow Out
The Nosy One
All the Colours of the Dark
The Case of the Bloody Iris
All the Devils Are Here
Containment
Your Vice Is a Locked Room and Only I Have the Key
Body Cam
Zero Effect
Dressed to Kill
The Trouble with Harry
Erinnerungen an Lucio Fulci
My Dear Killer
The Virtuoso
In the Blood
The Bloodstained Shadow