A young boy plays in the hospital room of his mother who is about to have a baby. After the father dejectedly leaves, the room suddenly breaks apart and an ogre kidnaps the boy's mom. The boy suddenly finds himself in a fantastical and chaotic world where he does battle with a giant red ogre, gets saved by a dog (the titular Wanwa), drives a rocket car, and runs up a tree.
A young boy plays in his mother's hospital room as she prepares to give birth. After the father leaves dejectedly, the room splits apart, and an ogre abducts her. The boy then finds himself in a fantastical world where he fights a giant red ogre, is saved by a dog (the main character Wanwa), drives a rocket car, and climbs a tree.