A young boy disappears after school. Is it a runaway? An abduction? Faced with the impotence of the police investigators, the grandfather comes to Paris and introduces himself into the world of child prostitution and drugs.
After the death of her rich parents, the young Paulette claims her heritage and then starts to give it away for the good of people. Doing so, she's making executives of her parent's company furious.
Martin Terrier wants to quit his job as a hired hitman, but his organized crime employers are unwilling to see him turned out to pasture, Terrier knows too much, and he is still useful to the organization. He escapes to the countryside where he meets Claire, and the two soon fall in love. Back in Paris to confront his employers, Terrier learns that they've stolen all his money from the bank. They give him an ultimatum—do one last job for them and he gets his money and his freedom...
Ten years after the French political upheavals of 1968, a maturing "soixante-huitard" falls in with some young radicals who are influenced by a book he had written. But does he still have the guts to translate his ideas into acts against the state? And is he still attractive to younger chicks?
A discontented concert pianist causes all sorts of heartbreak with his egotistical and womanizing antics, and all the people in his life attempt to force him to grow up in this French comedy/drama.
