Karène
Todos los miembros de la familia Bélier son sordomudos, excepto Paula, de 16 años. Ella hace de intérprete para sus padres, especialmente en lo que respecta al funcionamiento de la granja de la familia. Un día, alentada por su profesor de música, que ha descubierto su talento para el canto, decide prepararse para la audición del Coro de Radio France, pero se trata de una elección que la obligará a distanciarse de su familia.
Colombe
Charlotte, an alienated sound engineer, travels to the country home where her mother was just murdered. She is quickly frustrated by the lack of progress in the police investigation and so begins her own. While listening to a fresh sound recording she made in her mother's house, Charlotte discovers a strange phenomenon, she can hear sounds from the past in her headphones. Soon she is using this ability to hear the past to piece together the last few days of her mother's life, drawing ever closer to discovering who killed her, even as the murderer returns to try and eliminate Charlotte before they are discovered.
Camille
Wrongly suspecting her husband of being unfaithful, a young mother leaves him alone for a week with their three unruly children.
