One night, when little Giana from Milano was fast asleep, she had a nightmare. Giana found herself in a wondrous world with strange creatures, who want to prevent her from going home. Here everything was huge and strange. Giana can only leave this world, if she finds a huge jewel. On the way she can collect diamonds and many extras. Fortunately she is not alone, because her sister Maria has also this dream. The world consists of 33 levels and in the last stage Giana can find the needed gem, to return to her world.