Grace es conocida como el hada Cardencha, la más risueña de todas. Se inicia una nueva aventura en busca del Espíritu de la Tristeza, que ha robado la Concha de la Risa. Las hadas deberán hacer frente a este ser malvado para evitar que la tristeza se apodere del mundo. / Giggles, guffaws, chortles and chuckles are created within the Shell of Laughter. And now it has been stolen! But who would dare to take the worlds laughter? Only the Spirit of Sorrow would be so bold. So, Madam Toad decides to send Thistle, the fairy most full of laughter to find it. Luckily Thistle has her mentor, her friends and her courage.