In the Shadow of Destiny Series

Marty Wood regains consciousness in an abandoned basement surrounded by the smell of death. He is drawn to Gillian, a mysterious agent assigned to protect him from the Duke, a megalomaniac bent on becoming a demigod. His growing passion for Gillian complicates the situation. They race against time to find a charmed jewel before the Duke and stop him from using the gem to unlock a portal controlled by the Ark of the Covenant. Can they stay alive and outwit the Duke and his henchmen before time runs out?