It's Thanksgiving time and Donna is busy preparing all ""the fixin's"" for this year's dinner while Jimmy handles bird duty. Taking it ultra-seriously, he sets out to find the best bird - the MacAdoo! However, unexpectedly, Donna's sister Delilah shows up in town and changes everyone's plans by taking over Thanksgiving. Donna is once again reminded about the many things that drive her crazy about her domineering, snobbish and overwhelming sister.

When Gene's new hot, young girlfriend makes waves in a hot tub by taking off her top, while Donna feels more comfortable taking a dip dressed in her robe, Donna fears she's lost her ""whoa"" and has become a ""hmmm."" After Jimmy tells Donna that she's not as wild as she used to be, Donna throws caution -- and her clothes -- to the wind to prove to Jimmy that she can still be young and impetuous.