Des lendemains qui chantent

Compulsive spenders Albert and Bruno are in debt up to their necks. While seeking help from community workers to get their lives back on track, they run into a group of young green activists. Lured by the free beer and snacks rather than by the ideals of eco-activists, Albert and Bruno find themselves joining the movement without much conviction.

Eric and Ramzy are working as window washers at the Montparnasse skyscraper in Paris. Thinking that he has a date set up with beautiful executive Marie-Joelle (who in reality hates his guts), Ramzy stays at work late while Eric hangs around with him. As a result, the pair witness a gang of terrorists seize the tower and take its late-night occupants (including Marie- Joelle) hostage. Knowing that only they can save the day, Eric and Ramzy swing into action.

One night, a burglar in a Santa Claus costume is surprised by Victor, a young boy who believes he is the real Santa Claus. Victor then follows him, and they embark on an unexpected adventure that will change their lives.

In 35,000 BC, the tribe of the Dirty Hairs is at war against the tribe of the Clean Hairs for eight hundred years, trying to get their shampoo. The chief of the Dirty Hairs sends his daughter Guy disguised to the enemy tribe to get some shampoo for his tribe. When the healer of the Clean Hairs tribe surprisingly kills two cavemen of his tribe, their imbecile chief assigns Pierre with curled hair and Pierre blonde to investigate the murder and find the criminal.