It began with the seduction of an innocent: when the minions of Hell conspired to entrap a virtuous young girl, they set into motion the events that would bring about a final, cosmic war. Now, the demon Sigil has been banished from Hell and must race through time to redeem his lost soul. The strangely connected siblings, Solomon and Mara Worth, are the first pieces in the puzzle that stretches from the ancient past to the post-apocalyptic future, where one lonely girl awaits her destiny in the Revelation of the Angels. Can a fallen angel, two supernaturally gifted children and a cybernetic, punk rock teen join together to avert impending doom?