Bizzy the strange bird has decided: Today is Opposite Day! Time to eat dinner for breakfast, have a loud dance party instead of a quiet rest, and say good morning at bedtime. But Bizzy's best friend, Dill the odd duck, would prefer to have a normal day, with no opposites. So Dill says, "No, no, stop!" to Opposite Day, while Bizzy says, "Yes, yes, go!" Will Opposite Day turn best friends into worst enemies?