Annette and Todd set about getting back at their cheating partners, but first they have to come up with the ground rules for revenge sex. Kyle and his buddies conspire to lose their virginity at his sister Katie's pad while she's away for the weekend. Kiki tries to steal Mark away from Gina since she can't stand seeing a guy lavish attention on someone other than her.

Jenny suddenly returns to Ross' pad after a last minute decision not to move back to Ohio, but Ross has had a chance to think over the long-term commitment. Sarah tries to get her paranoid boyfriend Jake to pay attention to her by hitting on his sleazy buddy, Steve. Emma encourages her college boyfriend Brian to let go of his inhibitions by communicating through a sock puppet he names "Mr. Fuzzy."

An enigmatic message on Sally's answering machine makes her think her beau Stan wants to break up, so she vows to find out what's wrong with her by interviewing all of her ex-boyfriends. Jake realized his fear of commitment to Sarah comes from his family's past, but Sarah suddenly develops her own commitment fears. Emma's transference therapy with Brian backfires when he can't be intimate with her without "Mr. Fuzzy."

A "Fearsome Foursome" of high school girls with wicked gossip and backstabbing on their minds makes a bet that whomever brings down one of their rivals will get to have the hot new single guy. Sally arranges to speak to all of her exes to discover why her current guy, Stan, might be thinking of breaking up with her, and the first on the list is the sexual stamina king, Jake. Emma and Brian discover that their last bout of sex-with-sock-puppets accidentally went out over the internet via her Web site.

To win a competition to bring down popular rival Jeanine, Liz steals her diary, which contains some pretty nasty revelations that threaten the Fearsome Foursome. Sally interviews Bill, a boy who suddenly dumped her for a trip to Fiji, and finds out that he still loves her. When Brian can’t have sex with Emma without his sock puppet, she decides to hide "Mr. Fuzzy."