During a high-speed chase with murderous Grotesque, the villain K.O.'s Batgirl with a souped-up stun gun that temporarily fries the device implanted in her spine. (That thing that helps her, you know, walk and be Batgirl?) Babs finds herself in for a whole new world of hurt now that old wounds have been opened up--and so does Grotesque. Writer Mairghread Scott (Transformers) takes the reins of this bestselling series with artist Paul Pelletier (New 52's Aquaman) as they immerse Batgirl in the midst of a thrilling murder mystery in Gotham!