Premise: 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.
S04, E01 (First Aired: Sep. 19, 2005)
Mona's insecurities threaten her budding relationship with her new tenant, Lorenzo.
S04, E02 (First Aired: Sep. 26, 2005)
Phyllis teaches dismayed Big Dee Dee how to live on a budget.