The LT-21 virus hits France and starts spreading worldwide. It won't cause a single death. But are we still fully alive when we've forgotten everything? Because infected patients develop total retrograde amnesia. Asia and Gabriel, a couple of doctors, do everything to stop the epidemic and protect the patients held in a hospital under military surveillance.
Shimon, a 70-year-old widower, travels to Paris to visit a childhood friend. He stays with his daughter and discovers that her marriage is falling apart. He decides to help. In the process, he finds out that he and his daughter share both dreams and desires of which they had been previously unaware.
Finally, the holidays are here! Vlad and his friends are so excited! Jérôme, Vlad’s father, is in charge. André, the grandfather of Jeanne and Basile, is also here to help. Six kids, two adults, an eight-hour train trip. Nothing could go wrong. But Jérôme and André miss the train… and watch it leave the station with the kids on board. It’s the beginning of a crazy race for the unlikely duo. While the unsupervised children go wild and have the time of their life, André and Jérôme go through various delays and adventures…