Antoine and Laurent, previous mates, spend their trip in Corsica with their respective daughters: seventeen-year-old Louna and eighteen-year-old Marie. One night on the seashore, Louna seduces Laurent. Louna is in love, however for Laurent it was nothing greater than a momentary distraction. With out revealing her lover's identify, Louna confides in her father, who tries by any means to find who his daughter's lover is. How lengthy will the key have the ability to be saved hidden?