Mr. D plays a trick on Mo and learns the hard way that playing tricks on people is not a good thing to do. He finds out that telling the truth is much better than making excuses. Courtney shares the story of the Strawberry-Apple-Rhubarb Pie. When a piece of the pie goes missing, Courtney and her brother are both sent to their rooms (even though Courtney insists that she did not take it). Oogleberry comes to the conclusion that if you do something you are not supposed to do, you should own up to it, because it's always better to tell the truth.