The show originally revolved around the Wilson family, including new Beverly Hills residents Annie Wilson (Shenae Grimes) and Dixon Wilson (Tristan Wilds).

Their father, Harrison Wilson (Rob Estes) has returned from Wichita, Kansas to his Beverly Hills childhood home with his family to care for his mother, former television and theater actress Tabitha Wilson (Jessica Walter), who has a drinking problem and clashes with his wife Debbie Wilson (Lori Loughlin).

Kelly becomes Silver's guardian after their mother proves to be an inadequate caretaker for Silver due to her alcoholism.

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In a multi-episode arc that culminated in a very special episode, it is revealed that Silver has bipolar disorder.

Kelly Taylor is now a guidance counselor at West Beverly and has a son named Sammy.

Soon Naomi and Liam begin a romance, and once she becomes friends with Annie again, Liam's repetitive indecisiveness begins as he starts to pursue the both of them.

Naomi's best friend, fallen starlet Adrianna Tate-Duncan, battles a drug addiction.

This gets her into trouble when Harry decides to raid the school, thanks to the help of a cop, Kimberly Mc Intyre, under cover as a student.

Kimberly begins a relationship with teacher/lacrosse coach Ryan Matthews, which gets him into trouble with the school.It is later revealed that the father of Adrianna's child is Ty, although it is unclear when they slept together.She and Navid get back together when he realizes that even though she is a mess he can't get over her, and get engaged, although he alienates his family when he tells them that the child is not his and gets upset when Adrianna reveals her daughter is Ty's.Navid's family is very close knit and in someways conservative.This is only applies to some areas of life seeing that his dad runs an adult entertainment business.Another featured character is Erin Silver (who goes by her last name), Kelly Taylor and David Silver's half sister and Naomi's former best friend, until Silver's father's affair is revealed by Naomi, although she eventually reconciles her friendship with Naomi.