While visiting her daughter who is studying abroad in France, Claire is thrown into the midst of a city-wide attack. In a place where she doesn't speak the language or know her way around, she's forced to navigate this French metropolis in the dark of night in a desperate search to find her daughter and ensure her safety.

After the attacks that bloodied Paris, everyone is worried about terrorist acts. A man is running in the middle of the night. He has blood on his face. He arrives at the radio station and explains to his colleagues that he was investigating a cell of terrorists but that one of them has just committed suicide in front of him. Just before he told her that a bomb was on the 11 p.m. Paris-New York flight. It's scheduled for four in the morning: in one hour. Should they disseminate the information?

Two languorous summer days, two thorny tales of romantic misunderstanding: in part one, two girlfriends head to the Cergy leisure park for a day of swimming and equally vigorous flirtation; in the second, a Norwegian exchange student finds herself the target of unwanted attention from two would-be suitors.