With Bruce Wayne no longer fully able to carry on as Batman, Dick Grayson, Jason Todd, Tim Drake, Harper Row, Cassandra Cain, and several members of the Bat-Family become caught in a vast conspiracy tied to the Dark Knight’s past. A mysterious organization appears to have manipulated Batman’s relationships with his partners for years, while new revelations call into question the way Bruce built his family of vigilantes. Between secrets, kidnappings, experiments, and battles against enemies operating from the shadows, Batman’s heirs must learn to work together without him and discover what it truly means to be Robin.