Set in the idyllic French countryside, the story follows a group of English siblings who find themselves unexpectedly staying at a hotel after their mother falls ill. As they navigate the complexities of adolescence, they become entangled in the lives of the hotel's enigmatic guests and staff. The narrative explores themes of innocence, awakening, and the bittersweet transition from childhood to adulthood, all against the backdrop of a languid summer filled with intrigue and subtle tensions.