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 the hospital room of his mother who is about to give birth. After the father leaves dejectedly, the room splits apart, and an ogre abducts her. The boy then finds himself in a magical realm where he engages in battles with creatures, is aided by a dog (the main character Wanwa), drives a vehicle, and climbs a tree.