
Half-sisters Mona and Dee Dee are virtual strangers who have grown up separately and suddenly become neighbors in the same San Francisco apartment building. Mona is a budding music executive raised by her single mother to be free-spirited and independent. By contrast, younger Dee Dee is a privileged honor-roll collegian who grew up in a two-parent home but seeks her identity out of the shadow of her overbearing mother.

When Mona is offered a different job at another record label, she must decide whether to stay or move on.

When Big Dee Dee crashes Phyllis' charity telethon meeting, Phyllis loses it and tells everyone that Big Dee Dee was pregnant before she married Charles.

Mona's remarks in a magazine ruin her reputation in the industry, and she must plead her case to get her job back.

Dee Dee fakes a serious injury after Mona accidentally hurts her in self-defense class. Chris Judd guest stars.