Drugs, murders, robberies. In Turin, violence is an everyday fact of life, but a mysterious vigilante starts cleaning up the streets. In fact, the killer is a cop, Moretti, who went undercover to do the dirty work he couldn't do in cop's clothing.

Augusto Valle is a successful young industrialist who weds Palmira, the girl working in his factory, and the two have a child despite the infant's uncertain legitimacy. Scheming to control her husband's fortune, Palmira has affairs with both the mayor and the judge to have Augusto committed to a mental institution. While there, he falls in love with Serafina Vitali, a young woman who was also put away.

Police commissioner Santamaria is investigating the murder of the ambiguous architect Mr. Garrone. The investigations soon drive him into the Torino's high society. Santamaria suspect Anna Carla and at the same time falls in love for her. Lello is the lover of Massimo, Anna Carla’s gay friend. He is following another direction in order to find out the truth, and his results are confusing the Policeman. But another murder happens...

Oliviero is a drunk, burned-out writer who amuses himself by hosting orgies at his grand country manor and humiliating his wife Irina. When a number of women are murdered in grisly fashion, Oliviero becomes a prime suspect.

In late 1930s Ferrara, Italy, the Finzi-Continis are a leading family: wealthy, aristocratic, and urbane; they are also Jewish. Their adult children, Micol and Alberto, gather a diverse circle of friends for tennis and parties at their villa with its lovely grounds, and try to keep the rest of the world at bay. But tensions between them all grow as anti-Semitism rises in Fascist Italy, and even the Finzi-Continis will have to confront the Holocaust.