On New Year's Eve, among the tower blocks of a huge housing estate in Paris, strange people - each for a different reason - are looking for the home of a man called Bob.

When political thugs murder an opponent's volunteer and also kill a cop, chief inspector Verjeat believes the politician who hired them is as guilty as the murderous goon. Verjeat's pursuit of the councilman, Lardatte, gets him a warning from his superiors. When he embarrasses Lardatte while disarming a hostage (the dead volunteer's father), Verjeat is told he's being transferred within a week. He speeds up his hunt for the goon and, with Lefévre, one of his young detectives, he engineers a complicated scheme to buy more time before the transfer. How should Verjeat play out his values of honor and duty?

Alfred Mullanet, an unlucky player who lives on his wife's income, becomes in a few moments the object of interest of two thugs, Kruger and Mister K.

Varen and Bob are a couple of buddies who get mixed up with a white-slave trader. Pursued by a pair of mob-connected brothers, Bob is killed. Varen retaliates by killing one of the brothers, then enlists the aid of his friend Agnès in tracking down the remaining sibling.

A gang of young tugs led by Frankie, opens a nightclub just in front of a gangster's hideout. Morelli is his name and he prepares the stealing of the century.

Rita is a girl that lives on taking gangsters as lovers. But when the money stops coming, she swears revenge.

The rise and fall of a journalist, named Max Torp, who runs a youth magazine, a private club, a tour agency and a pirate radio.