Alex Berthier would love to be a famous songwriter. Meanwhile, he has to cope with unemployment, a witty 12 years old son and a rich and cute heiress who tries to help Alex as much as he tries to escape her: she brings nothing but trouble ! Fortunately, luck will strike again.

Here we find a group of misfits who've given up on humanity and have decided to dwell below the pavement. The group has its own hierarchy, of course, and soon the conditions that drove them underground begin to manifest themselves without the influences of the Outside World.

Adaptation for TV of the Jean-Jacques Varoujean play.