A nightmare circus comes to Blüdhaven…and Nightwing may be its final act. As the city continues to suffer through bloodshed, Nightwing and his new protégé, Nightwing Prime, must do everything it takes to save their city, but the fifth dimension may be too much for them both. The city’s children are scared, unsafe…and disappearing. And with the city turning against him, Nightwing must face a nightmare that could cost him everything. Bludhaven’s darkest show is about to begin.