When a man's best friend is shot in cold blood by two corrupt policemen, he must track down the only eyewitnesses, who have deported to Mali.

In this imaginary investigation, the scientist, who was very secretive, is presented in a new light. Actors play people who knew Einstein and retrace his journey. The portrait is followed by a debate on a point of controversy, the involvement of Albert Einstein in the nuclear war.

Georges Cazenave, a " politically committed" French TV reporter leads a good life. Besides having a regular mistress in the person of Hélène, he is a ladies man with "a girl in every port". But this comfortable situation is challenged the day he hires Céleste as his housemaid. A Portuguese immigrant, she soon appears to be a Marxist-Leninist activist, engaged in political groups working against the regime of Salazar, the dictator of Portugal. Geoges and Céleste fall in love with each other, which brings adventure in the reporter's hitherto superficial life, upset by a breakup with Hélène, the interference of the French Secret Service and a touch of terrorism.

David Levinstein, a young Jewish boy whose parents have been arrested and killed by the Nazis, is taken in by Monsieur Ray, the head of his school. Unfortunately for him, Donnadieu, a pro-Nazi schoolmaster, denounces him to the Gestapo and he is sent to the Auschwitz concentration camp. After being released in 1945, David attempts to live normally. He even marries Jacky, the woman he has fallen in love with. But fifteen years pass and the taste of revenge invades him and becomes irresistible. He eventually traces the teacher who gave him way.

The "black robe" in the title of this suspense film belongs to a female lawyer, Florence Nat who has just lost a case in which she defended Simon Risler, a man wrongly accused of murder. Risler escapes before he can be put in prison, and seeks help from attorney Nat in finding the real killer, partly by going after the police inspector who framed him in the first place. A retired surgeon, in the process of setting up a drug rehab clinic gets involved in solving Risler's case, and soon the solution seems to be pointing to high-ranking figures with every desire and ample means to keep the truth well-hidden.