When their parents have an accident with a pitcher of milk and a bowl of batter, D.W. and Arthur overhear them arguing and fear that the incident will split their family for good, fantasizing about what would happen if they were not in love anymore. D.W. is not excited about her fifth birthday when she is told by Emily that her childhood is over due to turning five. Arthur goes over events from previous episodes with D.W. to cheer her up and make her excited about her future. During her party, she cannot figure out what to wish for until she gets advice from Grandma Thora, so D.W. secretly wishes for Arthur to have an accident with her cake, which he does.