Al agrees to let Peg invite the Darcy's and Griff (plus one) to an evening party in exchange for a month of no sex. As a party game, the pairs test their knowledge of the other half. Unfortunately Al has forgotten the most romantic night between him and Peg, who throws him out to the doghouse, literally... Meanwhile, Kelly is auditioning for a role, but faces stiff competition from her nemesis Heather Talrico, another blonde bimbo. Kelly challenges Heather to a boxing match. The loser has to give up the role. Cue training montage.

Al is having difficulties adjusting to being single. Marcy is more than happy to share with him the info that Peg is having a dinner party with a millionaire. Al doesn't believe him, so Marcy tells him that what Peg really wants is for Al to come to the dinner party.