Did the powers of ancient sorcerers and witches fade away over the millenniums, or are they still known to some? In ancient Celtic times, a Druid sorcerer does not return from a council, leaving his apprentice lover to wait. Even his spirit seems to have vanished. In the twenty-first century, a computer engineer encounters a woman who introduces him to a world of ancient magic, a world with which he must become acquainted. She will learn that he holds powers he does not understand, but which will protect both he and others from harm.

Everyone downloads apps for their phones or computers. Do they ever read the "Terms and Conditions?" Do they just check that they did, and agree to them? Is the "legalese" just too bothersome? After all, it's just an app, right? A computer whiz and self-confessed "geek," J.T., finds that the answer to that question is a perilous "No." He explores the nature of an increasingly popular app, as his girlfriend, and many others, innocently fall into the diabolical trap it sets for the unsuspecting. J.T. engages in a technological battle of wits against a formidable and very experienced foe, an enemy he cannot bring himself to acknowledge.

In the classic film, "Casablanca," everyone fades into the fog and that is the end of the story. But actions have consequences, and in this sequel to "Return From Casablanca," an updated version of the film's story, the reader learns what happens to the main characters, Rick Grey, Ari Levy and Anya (Sharansky) Levy after they all "fade to black" and the credits roll. Ari Levy returns to the field and travels to the United States to track down and assassinate a terrorist, but is he ready for the mission? Ghosts of people he has killed haunt his conscience and his dreams, destroying his confidence. Reacting to the threat, Ari pushes hard against everything, and everyone, that he loves, including his wife Anya, who risked much to save him in Casablanca. Anya turns to the only person she trusts, former CIA operative Rick Grey, now retired. Rick has settled down in the mountains of Western Virginia. but now, he has to wrestle with his own feelings for Anya. He has sacrificed much in service to his country, and wants what he missed, what Anya may be offering.

The classic film "Casablanca" provides the inspiration for this novel, but its plot is straight out of today's news. An American with a shadowy history is now living in Casablanca. He is visited by a beautiful woman, out of his past, Anya. She needs help bringing her husband, a Mossad operative, out of a deep cover operation in a terrorist cell, one that has laid claim to the name and reputation of a notorious group from the 1970's. Anya's husband, however, has learned of a massive terrorist operation planned by the group he has infiltrated. His agency wants more information, so they won't pull him out. But does Rick Grey even want to help? The race is on to bring her husband from the shadows, while others work to prevent the plot from reaching its horrible conclusion.