In the final volume of the Dark Knight Detective series, Batman and Robin hunt a murderer with electricity-based powers, encounter a fledgling vigilante called the Spoiler, and team up with Huntress to take down a terrorist group. Plus, appearances from Scarface and The Joker! Collects DETECTIVE COMICS #644-653 and DETECTIVE COMICS ANNUAL #5, plus a corrected printing of DETECTIVE COMICS ANNUAL #4.