Bada and Haneul were transferred to the same school on the same day. They hid the facts that their fathers were the President and a gangster boss but instantly realized they were rivals. Moreover, both of them were attracted to cute Mina. A bodyguard team and a pack of gangsters fought each other to protect the two boys. Later on Bada and Haneul reconciled and became best friends. One day they were happily playing with their friends when the enem..

The Andro planet is ruled by the witch Rinka. The Zzanga knight comes to earth to reclaim the Andro planet. He tries to find the robot with supernatural powers which the scientists of Andro had once built. Rinka sends her henchmen Kats and Kobra to capture Zzanga but with the help of Betaman, Jebi and some kids, he is able to find the robot in a cave. He returns to Andro and defeats Rinka with the robot.

The arrival of new music teacher makes a big difference for a group of troubled high school students.