The story revolves around Fanny, a thirty-year-old woman from Fécamp who’s recently divorced and whose only take-aways from her marriage are a sky-coloured sofa, debts which she refuses to pay and a determination to never “start over” with a man. Fanny desperately needs freedom, but this housekeeper now living back home with her parents finds herself stuck in a rut. Until the day she crosses paths with Anémone, that is, a professional mermaid who’s passing through the area. Fanny subsequently decides to take the plunge and dive into the world of mermaiding…