Roll the Drum!

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.

Vincent, a wealthy real estate agent, is invited to dinner by his sister Elizabeth and her husband Peter, both professors in Paris. Claude, a childhood friend and trombonist in a symphony orchestra, is also present. Vincent brings news from the prenatal examination of his and his wife Anna's unborn son. The name chosen by the soon-to-be parents strongly offends the others for many reasons. The dispute between the guests quickly escalates and before long the resurgence of old grudges and hidden secrets is unavoidable...

An upper middle-class French family celebrates a birthday in a restaurant. In one evening and during one meal, family history, tensions, collective and separate grudges, delights, and memories both clash and coalesce.

Serge Pilardosse has just turned 60. He has worked since the age of 16, never unemployed, never sick. But the hour of retirement has come, and it is disillusionment: he is missing points, some employers having forgotten to declare it! Pushed by Catherine, his wife, he gets on his old motorcycle from the 70s, a "Mammut" which earned him his nickname, and sets off in search of his pay slips. During his journey, he rediscovers his past and his quest for administrative documents soon becomes incidental...