A doctor kills his girlfriend when he accidentally causes her to fall onto an ornamental flower which has metal spikes. He disposes of her by chopping up and then dissolving her corpse. The woman's sister accuses the doctor and an investigation begins. In the meantime, a second woman is killed and the doctor begins to receive metal petals through the post.
Gianni Garko
Dr. Andrea Valenti
Carroll Baker
Evelyne Graffi
Ivano Staccioli
Ispettore Garrano
Pilar Velázquez
Lena
Paola Senatore
Daniela
Umberto Raho
Psychiatrist
Eleonora Morana
Female surgeon
Angelo Bassi
