The gothic opera crashes into a crescendo as Batman goes head-to-head with an Azmer demon…unaware that it is is someone in Bruce Wayne's life. Meanwhile, a mysterious team called the Vigil arrives to investigate the Azmer sightings-but who are the Vigil, and are they on Batman’s side? Then, in the backup: With Mrs. Freeze only a pale image of the woman Victor Fries fell in love with-what is he to do now to save her?