Tanita is a small plasticine girl, very clever despite her age and production material. One fine day in her dreams, she leaves for a world tour on a plasticine plane... but it crashes! Tanita finds herself on a mysterious island and must try to find her way home. However, she soon discovers that she’s not the only prisoner of the islands. An evil mastermind is catching and turning fish into monsters, so Tanita also looks for a way to overthrow dictator and free all the fish.