Pedro Mario Herrero

Doctor Miguel Azzini is found shot dead dead. The police suspect his colleagues: Elena Carli, his former mistress and owner of the clinic where he worked; Roberto Carli, her surgeon husband; Doctor Paula Lombardo, Roberto's mistress; and the clinic's administrator. Inspector Nardi discovers that Elena has a heart condition and had offered Miguel an increased sharehold in the clinic in order to dissuade him from leaving for another post. Elena's heart condition is worsened by the relentless police scrutiny and by her suspicion that Roberto is the murderer. She has to be rushed into hospital and is even more alarmed when Roberto prepares to operate...

Like every night, Manuel remembers the old days of glory, when after the war he was a famous bullfighter. He and his friend Juan were the fashionable couple. Now Juan is a prominent businessman in bullfighting. But Manuel's feelings toward him have changed radically: an inexplicable hated seizes him when someone mentions his name. It has been more than twenty years since that afternoon, when Manuel was bullfighting and fell to the ground.

A very enthusiastic girl kills her boyfriend, a carabinieri, after a long love session. She will suffer during the rest of the film to hide the body.

A playwright boasts he can commit a perfect crime in front of his friends, a police chief, a physician and a theater owner. Later, when the playwright's wife disappears, foul play is suspected. Did he murder her?