Alice is a promising young artist in Paris. Her boyfriend Franck, a boxer, has just moved in to her attic flat. Then her sister Elsa, a bored housewife, leaves her unfaithful husband Thomas...
Frédéric is arrested for illicit use of narcotic drugs. In jail, he meets he get up close with various sorts of people among which he looks for a role model as a 18-year-old boy.