A doctor accidentally kills his girlfriend, when he 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
Carroll Baker
Ivano Staccioli
Pilar Velázquez
Paola Senatore
Umberto Raho
Eleonora Morana
Angelo Bassi
Giuseppe Mattei
Alessandro Perrella
Alba Maiolini