"The Dark Knight and Gotham's greatest heroes face their greatest challenges yet! First, Batman and the Outsiders have to save the Signal from burning our and find the villain who has captured Duke Thomas's mother. Then, the Murder Club will rock Batman's world forever. Everyone's favorite butler returns as a new mystery begins, starring Alfred Pennyworth! Arkham Academy opens its doors to its first-ever class of students related to Gotham greatest villains--will they make the grade"--