Giada is a overachieving student who works to pay for college. Riccardo is a spoiled brat who answers her tutoring ad in order to improve his abysmal grades. She's shy and homely. He's handsome and brazen. As they say, opposites attract.

Sonia cares more about her job than her husband, so much that he leaves her. From this moment on she changes partner every day, without ever reaching sexual pleasure. With her friend she gets back with her ex, and starts spying on him while he has sex.

In the late 1970s and early 80s, assassinations in Sicily get the attention of Communist deputy, Pio La Torre, who appeals to General Carlo Alberto Dalla Chiesa to become prefect in Palermo and take on the Mafia. Dalla Chiesa approaches the job with the same focus and methods he used in hunting down the Red Brigade.