Fifteen-year-old Salomé works in the workshop of her father, a painter celebrated for his blue color. But for some time now her father has not been able to make his famous color, putting the workshop in danger. Salomé begins to hope that he will pass on to her his, up until now, jealously kept secret.

Salomé, 15 ans, travaille dans l'atelier de son père, un peintre célèbre pour son bleu. Mais voilà quelques temps que le peintre, trop âgé, n'est plus capable de fabriquer sa fameuse couleur, mettant en péril son atelier. Salomé se met alors à espérer que son père lui transmette son secret jusque là jalousement gardé...