In Venice a detective is on the trail of a killer who commits a double murder (a married couple) then more grisly killings occur. Sex, drugs, gore and perversions are ingredients of this sadistic and sleazy giallo.
A bedridden psycho is able to receive evil "vibrations" from hardened criminals and use them for his telekinetic powers.
Femi is accused of being a prostitute and is thrown into jail with the rest of the clan. Their she befriends the prostitutes and decides to set up an organization for prostitutes' rights.
Maigret is called in to solve a crime in a night-club, and he has a field day dealing with tough characters, and beautiful bar-flies. The plot is based on Georges Simenon's novel, "Maigret au Picratt's".