The angel Gabriel comes to Earth to collect a soul which will end the stalemated war in Heaven. However, it is hidden inside of a Native American girl and only a former priest and a schoolteacher can stop him.

The archangel Gabriel returns to try to destroy the human race he despises so much, with the help of a suicidal teen and the opposition of the angel Danyael.

There exists an ancient manuscript still writing itself called the Lexicon. It supposedly tells of the coming of the Anti-Christ, and happens to fall into the hands of an unsuspecting woman. Now, she is being pursued by angels intent on obtaining the information from the book.

In Bucharest, theology student Allison is still protecting the mysterious Lexicon where the last chapter about the Antichrist could the win the stalemated war in heaven for either side. Meanwhile, the evil and jealous leader of the renegade angels, Stark, forces hit-man Dylan to kill Allison to get the information about the Antichrist, but Dylan begins to fall for her, protecting her at what cost?