Dr. Xenon Pearl, celebrated neurosurgeon and secret vigilante, has kept his avenging sword sheathed and his dark secret hidden. When a multi-car accident occurs, he finds himself with a scalpel in hand once more. His is brought face-to-face with secrets of his childhood, lessons from lives already lived, and a grand-wizard -man whose clandestine biological research 'animal venoms' may be the key to his redemption. Rarely has the worldview of the martial artist been more deeply plumbed.