When Russell finds out that Audrey's sister, Barbara, is having problems in her marriage, he takes her out - which infuriates Audrey, who is convinced he will use a sleazy trick to try and get her sister to sleep with him.
Jeff tries to help a situation Audrey has with one of their neighbors by confronting the issue head on, but soon discovers he may have done more harm that good. Russell meets his phone date FTF.
Russell dates a “bag lady” and experiences the pitfalls of the relationship; Adam gives into Jennifer's wishes and gets a “man bag”; and Jeff and Audrey try to start rumors about their own sex life, but are upset when no one cares.
Jeff skips a wedding to spend a night out with the guys, and Audrey worries that he'll get drunk and do something embarrassing.
Heather Locklear returns as Barbara, Audrey's sister who makes a visit and announces she is getting a divorce, giving Russell an idea that he has a chance with her. Meanwhile Adam and Jennifer register for engagement gifts.
Jennifer's patience is worn thin when Adam's mother comes for a visit. Meanwhile, being without a TV makes Jeff and Audrey learn to entertain themselves.
With his life insurance physical exam only a few days away, Jeff struggles to lose weight to be eligible for the "optimal male" category of fitness. Meanwhile, Jennifer is jealous after Adam bumps into an ex-girlfriend.
Russell's father wants Adam to appear in his companies promotional ad, but Adam is worried how Russell will react to the idea. Audrey offers their bathroom for a few days while Jennifer's is being repaired.
Adam and Jennifer decide to purchase and apartment in their building, with Jeff and Audrey agreeing to give them a recommendation to the co-op board. But Jeff makes his own impression on the board president before they get the chance to...and it's not favorable. Russell suffers a freeze-out from the waitresses at the diner.
Jeff finally buys the car he has always wanted, a Camaro. Meanwhile, Adam and Jennifer have decided on a wedding date, and Russell hopes to score a date with a model by allowing Audrey to use his apartment for a photo shoot for her magazine.