Joan struggles to find a way to change her law firm's policy about observing Martin Luther King's Birthday, while William and Yvonne argue when he surprises her by buying a new house without consulting her.
Lynn's white adoptive sister Tanya comes to town for the anniversary of Lynn's adoption, and her adoration of Black culture has the girlfriends confused.
Toni objects to a party for her upcoming birthday, and inadvertently reveals something that stuns the girls; William falls for a woman who started off as a one-night stand.
Lynn's parents visit and tell her she must give up her irresponsible ways and get a job to pay back a delinquent loan; Maya tried to hide her marital problems from her mother.