Mona drags Dee Dee to a self-defense class, where she accidentally hurts her little sister while practicing a back flip. Overwhelmed with guilt, she waits on Dee Dee hand and foot, unaware that Dee Dee's milking the injury.

Spencer's cousin Chauncey begins working in the mail room at the record company and blabbing everyone's secrets. He recalls the time in college that he walked in on Spencer and Mona apparently in the midst of a drunken tryst, creating friction between Spencer and Camille. The story prompts Mona to confront her feelings for Spencer, as she wonders if the reason she has been so jealous of his girlfriends is because she wants him for herself. Meanwhile, Dee Dee creates a mold of her mother's pregnant belly--which Big Dee Dee hates.

After Ray says that he cannot make the Thornes' Thanksgiving dinner due to work commitments, Spencer invites his mother (who is unaware of his reunion with Ray) to fly in for the holiday. However, Ray arrives at the gathering unexpectedly. Spencer's mother constantly argues with Ray and lashes out at Spencer for keeping secrets from her. Phyllis and Ray decide to break up because he still has some lingering feelings for his ex. Meanwhile, Dee Dee pushes Mona to be more honest with their father about her frustration over his limited involvement in her life.

Dee Dee has difficulty preparing her law school valedictory speech because she is uneasy about the fact that she doesn't have a post-graduation job lined up. Big Dee Dee worsens the situation when she suggests that she give up on her career and just look for a man, then tricks her into going on a blind date. Meanwhile, Mona tries desperately to prevent her mother from moving into her neighborhood.

Dee Dee receives the opportunity to appear on a sports talk show, only to humiliate herself by falling flat on her face. Mona objects when Spencer and Adam constantly give in to Dalis's petty demands. She finally puts her foot down, with disastrous results.

In an effort to make up her mind once and for all, Mona decides she wants to date both Chase and Lorenzo. When both men agree she finds herself more confused than ever. Dee Dee meets a new guy but when Brett tells her the relationship won't stand a chance, she sets out to prove him wrong. Meanwhile, Spencer meets a new woman and when she invites a friend to join them on the date he thinks his dreams have come true.