Cahaya, a young orang utan, lives in the depth of tropical rainforest. One day, he stumbles upon a very curious looking fruit. it is round, hard as a rock, and full of tiny sipkes! But Bunda, his mother, says that is it the King of all fruits. Will Cahaya be brave enough to taste the spiky rock? What will Cahaya find under its hard spiky skins? What will he discover about the majestic King of all Fruits? The story explores not only about curiosity and risk taking in trying out new things, but also conveys a message that orang utan is a living creature. Like human, they love their mothers, they love playing, they love adventures, and they love to make friends with us, too!