The whole Bélier family is deaf, except for sixteen year old Paula who is the important translator in her parents' day to day life especially when it comes to matters concerning the family farm. When her music teacher discovers she has a fantastic singing voice and she gets an opportunity to enter a big Radio France contest the whole family's future is set up for big changes.
A strait-laced French student moves into an apartment in Barcelona with a cast of six other characters from all over Europe. Together, they speak the international language of love and friendship.
Five years after their summer together in Barcelona, Xavier, William, Wendy, Martine and Isabelle reunite.