Content : Colombe starts at her new secondary school and comes up against Yasmine, a girl with a rather peculiar personality. Fortunately, the Lake Hotel remains her refuge, the place where she loves to observe, dream, and think. A couple of guests intrigue her. Why are they lurking around the park? What are they looking for? While exploring the hotel, Colombe and her younger brother Caspar discover a notebook and some letters—clues linked to the establishment’s past. Caspar is convinced that the waters of the lake hold proof that Louisa, the hotel’s former owner, was murdered. Shortly afterwards, Yasmine makes some surprising confidences to Colombe. Will they be able to trust each other?