During a family meal, thirty-year-old Cédric, who still lives at home with his parents learns that his sister is expecting a baby. While everyone rejoices upon hearing this news, in Cédric it provokes a feeling that will turn into rage. He then attempts to prove to everyone the harm he believes he's always suffered. Between things left unsaid and paranoia, rebellion and pretence, how far is a family prepared to go to preserve its equilibrium?
