Noée, a 9 year old girl, comes to join her mother who has recently moved to an island in Brittany where she has found a job as a waitress in a restaurant. When she arrives, Noée discovers that all the children on the island have known each other all their lives, that they have a rather easy life and that they are all sailing. Chenghua is 9 years old and has to prepare a presentation on space with his best friend. She can't find the time to do it because her parents are always asking her to translate. The latter do not speak French.