After his father leaves home for another woman, 16-year-old Martial has to move with his mother, Sabine, to a more modest apartment. Martial finds it difficult to fit in his new life. His mother offers to help him, but she only makes the situation worse. Martial then forms a bond with two twin sisters his own age, with whom he has a series of exciting and disturbing experiences.

After spending the night together with her idol, Sinclair, Léa hopes to see him again soon. She still finds it difficult to quite grasp what has happened to her when a trivial accident brutally puts an end to her dream.