A line of light flashes across the gold medallion, highlighting its inscription. She is hidden in the words of her lover. This is the first in a string of ancient riddles that will lead archaeologist Erica Conner on the most dangerous expedition of her life. After agreeing to help an esteemed colleague and a no-nonsense FBI agent, she finds herself in a race against a mysterious cult. A faction that was founded in Egypt over two thousand years ago. Erica joins forces with Agent Matt Pierce. The two exasperate each other at every turn, while they battle the intense desire growing between them. He is the one man who knows the evil group's secrets, and she is the one person who can outwit them. As the riddles lead Erica and Matt around the world, the true horror unfolds. They must fight for their own lives and defeat the cultists before an unspeakable plan is unleashed on the world.