Résumé: Cassandra Cain was quickly accepted as the new Batgirl after helping Batman during Gotham's darkest hours. Trained in deadly martial arts from early childhood by a notorious assassin, Batgirl developed the uncanny ability to anticipate her opponents’ movements to make her unbeatable in combat. Now, the Dark Knight's young protégé is determined to discover who her true mother is, and her quest, brings her face-to-face with the League of Assasins and into mortal combat with the deadliest woman alive, Lady Shiva! It all ends in a life or death battle at the edge of Lazarus Pit, and only one person will survive