Midwestern teen twins Brenda and Brandon Walsh experience culture shock when they move to Beverly Hills and enroll in West Beverly High.

Brandon takes an unpopular stance when he is the only one in the group willing to help a girl in trouble.

Cindy is concerned about Brenda's personality changes since moving to Beverly Hills. Brandon confronts his new employer.

Brandon has his first sexual experience with his girlfriend, who has run away from home. Brenda has a crush on a teacher.

Brandon doubts the legitimacy of a basketball teammate. Brenda has trouble in driver training.

When it appears he may fail history, Brandon is tempted to cheat with another student.