Paul is a playboy: a former girlfriend asks him to marry Zosia ,a Polish girl ,opponent of the regime of her country (it's 1981,December would see the state of siege in Poland and the arrest of many opponents) Paul hesitates but they told him so: it will be an unconsummated marriage and they will divorce shortly after.Against all odds,Paul ,who is a happy-go-lucky guy,who does not care about politics,flies to Warsaw :Zosia is a gorgeous blonde, and during their honeymoon, he falls in love with her.But it's not that easy ;back in Paris, Zosia is still a political activist whose friends look upon Paul as an intruder.

Mireille Molyneux, police inspector, tracks down pimps. With the complicity of Yasmina, a prostitute, she arrested Charlie, her pimp. To take revenge on Mireille, Jean-Pierre, another pimp, accuses him of corruption. It was then the subject of an investigation by two IGS inspectors: Blondel and Lacroix. Soon after, Charlie was released for lack of evidence. To keep Yasmina, he kidnaps his son and threatens to kill him.

Walter, a reporter and photographer, meets Catherine in a train. The young lawyer recently gained an acquittal for a man who killed his alcoholic father to save his mother. Campaigning against alcoholism, she asks Walter to help her unmask a wine merchant engaged in shady practices.