While battling one of Kamdor's monsters, the Rangers get their computer systems infected with a virus. This exposes the deep secret of Mack's true nature to the Red Ranger, as he learns everything he ever knew was a lie! With their leader depressed and withdrawn, do the Rangers stand a chance of getting the fourth jewel before Kamdor and Miratrix? Or will Mack be needing an upgrade? (thetvdb.com)