Maxiplace is the home of the future. With the push of a button, one wall starts to slide and your living space increases. As long as you pay, of course, and at the expense of your neighbour.

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…

Twig, Cap and Rusty live however they can in the Bois de Vincennes, east of Paris. This may completely change the day they learn they are the national lottery winner – though it is less than expected! Yet, they still need to collect the money and share it in equal parts. The hardest part of all will be to resume a “normal” life, filled with surprises and contradictions.