Monsieur de Fontenelle has resisted feelings of love and passion all his life, but at an advanced age he meets a young woman who makes him discover the feeling he has always wanted to ignore: love.
Paris, France, 1942, during the Nazi occupation. Robert Klein, a successful art dealer who benefits from the misfortunes of those who are ruthlessly persecuted, discovers by chance that there is another Robert Klein, apparently a Jewish man; someone with whom he could be mistakenly identified, something dangerous in such harsh times.
A small industrialist from Toulouse, goes to Paris to negotiate the buyout of his company from an American financial group. During his stay, the representative of the large firm calls on a luxury call girl to facilitate their "business".
Amidst a heated political climate, the opposition leader is killed in what appears to be a traffic accident. When a magistrate finds evidence of a government cover-up, witnesses start to get targeted. A thinly-fictionalized account of the events surrounding the assassination of Greek politician Grigoris Lambrakis in 1963, Z captures the outrage about the military junta that ruled Greece at the time.
Teenage student Olivier (Verley) meets 25 year-old Frédérique (Delon), wife of race car driver Enrico (Hossein), and start an affair. But guilt and doubt storm over Olivier's mind.
Oscar Chartier plays a dangerous double game by selling secret plans to the German and American secret services, to ensure a comfortable future for his daughter, Sophie. But the plans are fake and Chartier decides to get help from his good friend Simon Templar.
