While visiting their trophy room, the Caped Crusaders come across a bullet-proof vest, a keepsake from a case invoving the Rafferty Brothers, who unwittingly implicated their brother Peter in a murder.; Batman must once again battle the Harlequin of Hate, who, this time, decides to carry out, word for word, the slang words that people use every day in order to commit his crimes.; Batman must battle a gang of criminals who are trying to blackmail professional stuntmen.; Gotham City celebrates "Batman Day", honoring all of the Caped Crusader's amazing accomplishments. And the events leading up to that day also helps Bruce Wayne complete the last chapter of a book he is writing.