A young brave Sumatran Rhino, “Riki" lost his horn, taken by an Evil Hunter called Mr Jak. Accompanied by his best friend Beni the duck, Riki start an adventure across Indonesian's islands, in search of a mysterious being called Master said can help him to grow his horn back. Unbeknownst to him, his substitute handmade horn have a magical power, thus making Riki be able to transform himself into different kind of animals, as he helps many animals along his journey.