Loup, thirteen years old, deaf from birth, spends his summer vacation on a campsite with his mother, Léa. They have developed an exclusive relationship that a meeting with a swimming instructor and a teenage girl will turn upside down.

Durant une après-midi à la piscine, une jeune fille va vivre son premier flirt. Un partage des sens inattendu qui restera à jamais gravé sur ses lèvres.