Tanita is a small plasticine girl, very clever for her age and production material. One fine day in her dream she leaves for a world tour on a plasticine plane... but it crashes! Tanita finds herdelf on the mysterious islands and tries to get out of this terrible situation. Accidentally she discovers that she's not the only prisoner of the islands. Some evil mastermind catches and turns fishes into mosters. Tanita begins her way to set them free from their prisons and expel the bad guy from the fairy-tale