Duke Thomas always wanted to be a hero. During the "Robin War," he led an insurgency of teen Robins who insisted that their movement's namesake didn't really need a partner. In the aftermath, Batman himself has taken Duke under his wing to train him--not to be a sidekick, but to be his own man. Now, Duke is ready to emerge from his mentor's shadow and take his place as Gotham's protector by day: the Signal. But is he ready for what the light will reveal?