Paris, North Station, anything comes by, even trains. One would like to stay, but they have to hurry up... Like other thousands lives crossing, Ismael, Mathilde, Sacha and Joan are going to meet here...
Pierre has prepared a surprise for his wife Brigitte's birthday. But a series of harmless incidents (like a draft and a sun beam reflected off a window) brings the young next-door girl neighbor into his bed just as Brigitte walks through the door.