Iron Beast Snake 828.There is a man who has guessed Katse's secret and who has worked his way up in the staff of Galactor. But he is in prison now, and is looking for help in a very safe place. Nambu shows to the Science Ninja Team, photos and the records of a female pupil that the man had had. On the back of one of the pictures, which is believed to show the female commander, a name is written: "Katse". In order to search for Katse's secret, Ken and Jun go to the school of the girl in the photos and the remaining three members go to the prison...