Mark fears being forced to play the cello will make him a social pariah. But when his cello is taken by a gang of bullies, Fox begrudgingly comes to his rescue. Meanwhile, Pop and Sister Rose take a stroll down memory lane when it's revealed they used to be an item.

Mark fears he'll be outed as a Monarchist to his family when he's chosen to appear on television with the visiting Charles and Diana. Meanwhile, a gift from Dick comes between Mike Sr and Mary who's tired of feeling underappreciated by her husband.