Vanessa, who has always had the special power to become invisible, discovers that she and her best friend Catty, a time-traveler, are goddesses of the moon who must fight together to overcome the evil Atrox.

Serena, a moon goddess with the power to read minds, is possessed by the spirit of a woman who, in the thirteenth century, betrayed the evil Atrox and has now entangled Serena and herself in a plot to overthrow him.

Catty must travel to the dark world of Nefandus and meet her father so she can obtain the scroll, which has power to destroy the Atrox.

As Maggie reflects on the difficulty she will have with her final duty as mentor to the daughters of Moon Goddess Selene, she recalls her first battles with the evil Atrox, two thousand years earlier when she was a youth in Athens.

Upon escaping from the realm of Nefandus, fifteen-year-old Samuel finds himself in modern-day Los Angeles, where he learns that he is the Fourth of those destined to free Nefandus' slaves and seal its entrance forever, but first he must learn whether to trust the beautiful Ashley or the Sons of the Dark.

Having escaped from Nefandus, a parallel universe where he was made an immortal slave, fifteen-year-old Obie must return to retrieve his mother's rune stones in order to fulfill his destiny in modern-day Los Angeles as one of the four Sons of the Dark.

Fifteen-year-olds Meri, Sudi, and Dalila, adjust to their new roles as descendants of Egyptian pharaohs charged with protecting the world from evil forces, but now they must face Apep, a giant serpent from the Netherworld brought to Washington, D.C., by the Cult of Anubis.

Tianna no longer knows who to trust when good and evil forces fight over her and rush her toward an uncertain, but crucial, destiny--toward either the moon goddess, Selene, or the ancient evil known as the Atrox.

Three fifteen-year-old girls living in Washington D.C. learn that they are the direct descendants of Egyptian pharoahs, with special powers that will allow them to battle demonic members of the Cult of Anubis, who are trying to return the universe to the chaos from which it sprung.