Plot: Mavis is stricken with dread when her domineering, obnoxious mother arrives with her dad from North Carolina, but her mom's surprising polite and charming demeanor is due to her new prescription medication -- and things change for the worse when her pills are accidentally tossed. But even if the feel-good medication is found, will Mavis' mama even want to take them after she reverts to her same old nasty self?