Fatal Charm (1977)

aka’s: Poliziotto Senza Paura/Fearless/Magnum Cop/Die Zuhälterin/
The Private Detective/Fearless Fuzz

After locating the kidnapped daughter of a wealthy Viennese banker, an Italian inspector (Maurizio Merli) feels that there is still a dark, hidden mystery to be solved. His instincts draw him into a complex scheme involving three very different people. Also stars Joan Collins and Franco Ressel.