The word is out that there is a dirty cop in the prison. New precautions make it harder to smuggle in, so the gangs in the prison use more risky methods to hide the goods. The officers have to take 'potty shifts' with the weak inmates. Benji provides information about the dirty cop, which narrows the field tremendously. It is a woman. Four of the officers meanwhile run into difficulties when they receive a shattering message about the inmate they put in an illegal leg lock.