Three months have passed since Vesper Fairchild's murder, and Bruce Wayne remains unobtainable. Strolling the streets looking for new clues to clear his alter ego, the Black Knight crosses the road to Azrael, a meeting that holds many surprises for him... For their part, the members of the Bat-Famille are now convinced of the innocence of their mentor, but everything remains to be proved, and the murderer to be found.