School's out -- but the baby-sitter is in. There's going to be a French girl named Genevieve living in Lucas's house all summer to help out his mother. Lucas thinks his summer has been ruined. Who needs a full-time baby-sitter hanging around? But then Lucas learns that Genevieve doesn't know much English and will need his help. Does that mean she'll believe anything he tells her? Maybe this summer will be more interesting than he had thought...