starring
Karl Maiden
James Franciscus Catherine Spaak
One night, passing by a bio-chemical research institute, blind ex-reporter Franco Arno overhears a sinister fragment of conversation. When the institute is broken into and a murder committed, Arno collaborates with another reporter to assemble nine clues and suspects.
In this stylish thriller by cult horror director Dario Argento , a murderous chain of events unfolds that places almost everyone under suspicion....
Screenplay by DARIO ARGENTO , from a story by DARIO ARGENTO. LUIGI COLLO and DARDANO SACCHETTI
Produced by SALVATORE ARGENTO Directed by DARIO ARGENTO
(First showing on British television ) t FILMS: page 29