As winner of the Space Olympics, Tooroo is given Earth as his prize. He comes to Earth to get a present for his girlfriend and makes a charm bracelet out of Steve and Diana, who has lost her powers, as she does every June 19th at 10 am.
A young girl named Rrara from the Chameleon Planet decides to switch places with Wonder Girl for the day. Unfortunately, it's the day both Paradise Island and the Chameleon Planet come under attack from different adversaries.