Pete gets all hot and bothered when Berg starts dating Marti, his fiery nemesis from the station house. Meanwhile, Sharon has a cow when Johnny agrees to be a pregnant friend's lamaze partner.

Johnny and Sharon's premarital squabbles come to a screeching halt when Irene throws them her version of a wedding. Elsewhere, Pete and Berg's battle ends with one of them leaving town and the other doing something far more disturbing.