|David Hemmings||Marcus Daly|
|Daria Nicolodi||Gianna Brezzi|
|Macha Méril||Helga Ulmann|
|Glauco Mauri||Prof. Giordani|
|Eros Pagni||Supt. Calcabrini|
|Giuliana Calandra||Amanda Righetti|
A psychic medium is brutally murdered, and musician Marcus Daly feels a need to solve the case, since he was the one who discovered the body. Working with him is reporter Gianna Brezzi, who hopes for a big scoop by solving the case. When one of Marcus's own friends ends up murdered at the hands of the same killer, the resourceful pair realize they must work fast to uncover the murderer's identity or they might serve as the maniac's next victims.