When Bill's mother, Louise, introduces the family to her new boyfriend, Johnny, Bill is ecstatic that she has someone to occupy her time. But the happiness is short-lived as Bill and Judy become suspicious that Johnny, an investment counselor to senior citizens, is bilking Louise out of her life savings. So, the Miller twosome arrange to have dinner with the guy, during which they start to put aside their worries about him – until he squeezes Judy's rear end.

Bill and Judy are so ecstatic to hear that Bill's mother, Louise, is going to marry her boyfriend that Judy agrees to be her maid of honor. However, the nuptials are put in jeopardy when Louise's ex-husband, Al, wants to stop the wedding and win Louise back. Meanwhile, Linda is disheartened when Perry continues to postpone their wedding due to his music career.

After Louise's husband kicks in money towards a Sweet Sixteen party for grand-daughter Lauren, she feels this means she gets to run the show. Meanwhile, Brian struggles to get money for a college application.