Details
A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of the killer.
Cast & Crew
- James Franciscus , Karl Malden , Catherine Spaak , Pier Paolo Capponi , Horst Frank , Rada Rassimov , Aldo Reggiani , Carlo Alighiero
- Dario Argento