Thief Axel travels to Zahambra to steal a hidden piece of black crystal which can make an evil version of Mega Mindy. Mieke and her friends travel there too to stop him before it's too late..
The most powerful criminals in the world are planning to attack Mega Mindy and make an end to her heroic actions. Miss Volta is the leader and becomes a superhero too. She won't stop until Mega Mindy is defeated..
