Lucy, jealous that everyone else in the family has a trophy to boast, is urged by Becky to join a talent show. After trying her hand at singing, dancing, telling jokes, and doing magic, Lucy finally settles on reciting a song. When she fails to win the trophy, the grandkids get her one of her own that reads "World's Greatest Grandma."

Lucy's sister Audrey comes to town just in time to see Margo and Ted renew their vows. Lucy's excitement is diminished when Audrey starts making all the wedding arrangements, resulting in a cake fight between the two siblings.