Lenny Hacker, a comedian past his prime, crashes on Katraz, a prison planet that has no guards and where no one leaves. The Rangers, who are desperate of escaping another dress rehearsal for the visit of General Kincaid (Danny's Father), go to rescue Hacker. After finding out about it, General Kincaid holds Commander Chennault at fault for the safety of his son. The Rangers come face to face with the violent inhabitants of the planet including a vicious man named Rec.