Seventeen-year-old Ainara, a top student at a Catholic high school, is on the verge of finishing her final exams and deciding on a university path. Out of nowhere, she shocks her family by declaring her intention to join a convent for a trial period, aiming to dedicate herself to religious life. Her father is surprisingly supportive of her calling, but her aunt Maite sees this sudden spiritual turn as a troubling sign of something far more serious beneath the surface.