Issue: #12
An unexpected call from the Bat-Family brings Cass up to speed on the happenings in Gotham and pushes Batgirl to dive headfirst into a mystery far beyond the streets she knows. What she uncovers is anything but expected. With new allies by her side, Batgirl must lead a dangerous mission to the snowcapped peaks of the Himalayas, where a war is brewing and long-buried secrets are waiting to be unear...
Creators: Tate Brombal, Takeshi Miyazawa, Juan Castro, David Talaski, Marie Javins
Characters: Cassandra Cain, Nyssa Raatko
Story arcs: "Batgirl" The War of Shadows