With Azrael and Batwing now on Batman's team, will the Dark Knight's squadron of crime-fighters be able to discover the League of Shadows' plan? And what deadly personal secret will be unleashed on the team? Then, the Order of St. Dumas has unleashed a bizarre new evil on the world, and it's convinced it must destroy Jean-Paul Valley! Collects BATMAN: DETECTIVE COMICS issues #950-962.