Kyle discovers that his brother Ike is having a sexual relationship with his kindergarten teacher. The police are reluctant to help, so Kyle is forced to turn to the new school hall monitor for help: Eric "Dawg" Cartman.
Cartman is appointed to the post of School Hallway Monitor at South Park Elementary. In his new role, Cartman takes it personally when an infraction is committed in his jurisdiction. When Kyle discovers that a teacher is having sex with a student, he and Cartman have to team up to put a stop to the inappropriate behavior.—Anonymous