France, summer, seashore, and three families trying to fit in a small vacation house.

In 1892 Diane arrives in Paris to search for her missing sister. To learn the fate of her sister she auditions for the quadrille at Moulin rouge.

Ça va passer... mais quand? tells the story of an adolescent navigating the challenges of family life, dealing with teenage angst and the rollercoaster of emotions that come with it.