It is dawn, and young Tepui makes his way through the rain forest. He treasures his tropical homeland and all of its wildlife, from the giant Coco de Mono tree to the tribe of playful monkeys to the colorful treetop birds. But today is doomsday for Tepui's beloved rainforest. Eleven bulldozers and four trucks will soon arrive to level the forest. Tepui is desperate to stop them, and there's just one way he can do it. He must discover a butterfly no one has ever seen - by the end of the day.