Benoît, the new kid at school, is bullied by a gang of arrogant boys. Determined not to be pushed around, Benoît organizes a big party, but only three students turn up. What if this bunch of losers was to be the best gang ever?

When a deadly mist engulfs Paris, people find refuge in the upper floors of the buildings. With no information, no electricity and hardly any supplies, Mathieu, Anna and their daughter Sarah try to survive the disaster.