Violeta's family has an age-old secret they have managed to hide until now. Jules Verne, the famous writer, has disembarked in the port of Vigo with a suitcase and a whole load of questions. He wants to know all about the plant women . . . . and they need the help of his inventions to survive. Mystery, adventure and ancient magic in a fast-paced escapade, a race against the clock to find a forest beneath the sea.