CASS CAIN AT A CROSSROAD! The truth behind the Unburied finally comes to light as Kalden reveals a hidden history of betrayal and vengeance. But as the sins of the past threaten to consume the present, Batgirl and Lady Shiva must first survive a dangerous cave and...each other! With nowhere else to run, it's the end of the line for Cassandra Cain. Will she join Lady Shiva in battle or destroy her mother herself?