Risa, the bride whose wedding Ally destroyed, decides to sue Ally for intentional infliction of emotional distress; Georgia expresses outrage when Billy hires a sexy twenty-year-old as his new assistant; Ling tells Fish that she has been faking in bed.

Ally's Thanksgiving turns into a debacle when she invites her colleagues and her parents to her apartment for dinner.

Things go awry when Ally introduces Brian to her parents, resulting in conjuring up old pains and hurt feelings. Nelle regrets her decision to leave Cage and Fish, and takes steps to rectify it. A good season ender -- emotional, entertaining, and lots of musical numbers.

Malcolm Wyatt hires Ally to take his case. He's suing a girl for not going to the prom with him after she said yes in fall. The opposing lawyer is Larry Paul, and Ally is nervous about meeting him in court. But he never shows up, and his partner Coretta tells Ally he left for Detroit. Richard hires Jane Wilco as the office's new secretary, but after she gets the cold shoulder from some people, Richard wonders what ever happened to the friendly workplace he once built. Ally talks to Billy's ghost and decides to go to Malcolm's prom as his date and convinces him to sing solo and never stop believing in love.