An exceptionally intelligent for his age Tanita Plasticine girl, falling asleep, a journey on a plane ... However, he crashed into the cloud and crashed on the mysterious and seemingly uninhabited islands. Trying to return home, Tanita discovers that she is not the only prisoner of mysterious islands. An unknown villain kidnaps civilians fish are crammed into prison, and turns them into horrible monsters. To stop this outrage, Tanita begins a search path to a secret shelter the despot, in which he builds his wiles and conducting horrible experiments.