It is a book about a young girl Soazig. She doesn't fit n. She has two eyes that are different colours and is verry adventurous. Her name is a bit strange as well . She calls her parents by their first names and doesn't have areal relationship with them. Her dad is a comedian and is in certain films, her mom works too. Her dad needs to go film a movie so the whole family comes. There Soazig meets Marie-Morgane. Marie-morgane turns out to be a mermaid. Marie-Morgane and Soazig start go out at night and go to the caves. One night they find an old dining room that use to be underwater and an elegal casino. THey turn out to be that that is whare the movie was being filmed. They all only relized this after Soazig called the cheif police. In the end Marie-Morgane and Soazig wanted to go do something involving the lockness monster.