Barbara Gordon can locate any piece of data in the DC Universe. But, crippled by the Joker, she must do so from her secure command center. Now a mysterious stalker has targeted the former Batgirl for death! Plus, Ballistic seeks to join Blood Pack, but an incident on the freeway throws a monkey wrench into those plans. And finally, Triumph, the time-lost hero of the Justice League, seeks to win back his old life in the wake of ZERO HOUR!