Pop-Pop comes to have dinner with the Loud family and reveals that he has a new girlfriend named Myrtle, who was told everything about the children by Pop-Pop. The next day, Myrtle comes over and starts trying to impress the children and smothering them with affection, much to their annoyance, especially when she announces her plans to come over every day. They must work to put up with it without making Pop-Pop sad.