Train operator Andrea Marcocci has to witness the suicide of a desperate man who jumps in front of his train. Under the influence of this shock he starts making mistakes. A check up by a doctor reveals that he's at the brink of becoming an alcoholic. Due to this evaluation he is degraded and must accept a salary cut.

The film consists of twelve episodes, all with Monica Vitti as the protagonist.

A poker player on a losing streak meets a beautiful young woman. He's attracted to her, but she appears to be perfectly content with her boyfriend, a somewhat wussy writer. The gambler gets the idea that if he can get this woman into bed, it will change his luck at the gambling tables.

After having a fight with his girl friend, Marc follows her to Rome to try and win her back. On the train he meets a girl who is on her way to stay with her uncle. He gives her a lift to her uncle's, but they discover he has gone to South America. So as she has nowhere else to go, she stays with Marc and his cousin, which inevitably leads to romance.

Catherine Hubscher, who washes the shirts of young Napoleon and other soldiers fighting the Revolution, falls in love with Sergeant Lefebvre. Circumstances bring Lefebvre a noble title and even more -- Napoleon decides to make him the local ruler over a large territorial fiefdom. But trouble brews when Madame Sans-Gene, now elevated to the nobility along with her man -- cannot keep her frank observations under control.

Based on the memoirs of author Curzio Malaparte, diplomatic liaison between the Allied and Italian forces after the defeat of the Nazis in Italy, The Skin follows the collapse of Italian society under the US occupation and the desperate measures required for survival.