Themroc, a bachelor house painter living at home with his mother, leads a sad and colorless life. One day, after a run-in with his boss, he rebels. He wrecks his apartment, rejects every facet of bourgeois life, and begins acting like an urban, modern-day Neanderthal.
Experiencing something of a mid-life crisis after his beloved son marries and moves out, a factory worker makes some drastic changes in his life, moves in with the boy and his wife, and sets them all on the path to a communal lifestyle.
A young Swiss couple, Vincent and Françoise, plan to leave Geneva and settle in Africa: a friend of theirs living in Algeria promises to give them a job there.
