As the school year begins, Dwayne faces the prospect of taking a calculus class from Col. Taylor, a tough professor nicknamed ""Dr. War."" He fears that Col. Taylor could expose his academic success as a fluke and destroy his dreams of becoming an engineer, so he asks Walter to help him get into another section. Walter believes that Dwayne could thrive under Col. Taylor's tutelage, and asks the professor to talk to him. Col. Taylor manages to change Dwayne's mind and convince him to enroll in his class. Whitley meets new roommate Kim Reese, a headstrong freshman who plans to become a doctor. Whitley hopes to intimidate Kim and drive her to another room, but finds it impossible to break her. Jaleesa's cheerful freshman roommate, Freddie Brooks, develops a massive crush on Dwayne.