Sam Cleave, reporter for a small newspaper, has seen better days. After his partner was killed during an undercover investigation, he lost his passion for work and living. But when a resident of a nearby assisted living home is tortured and murdered in a barbaric manner, he starts investigating. He is especially intrigued when a mysterious box is given to him that belonged to the dead man, but he needs help to interpret what it means.

India Summers is a librarian and a talented historian, so when a stranger asks her opinion on an ancient coin she is happy to oblige, but when the same man is murdered less than an hour later, it soon becomes apparent that there is far more to the situation than meets the eye. Recognising her unique talents for historical reference, she is quickly recruited by Brandon Walker, a security service intelligence officer investigating the strange disappearance of a very special young girl. 

The #1 Bestseller. Ben Hope lives on the edge. A former élite member of the SAS, Ben is tortured by a tragedy from his past and now devotes his life to finding kidnapped children. When Ben is recruited to locate an ancient manuscript which could save a dying child, he embarks on the deadliest quest of his life. The document is alleged to contain the formula for the elixir of life, discovered by the brilliant alchemist Fulcanelli decades before.

A 4,000-year-old mystery lurks in the hills of Georgia. While investigating a strange series of ancient symbols, an archaeologist vanishes, and a professor he entrusted with the secret is murdered. Former government agent Sean Wyatt learns of his friend's disappearance and the murder. Now he must unravel the clues to the ancient mystery that holds incredible power.

In France, a member of a secret guild is killed for the secrets he keeps. In Croatia, a stronghold is breached, and a treasure is stolen. At the Vatican, a corrupt pontiff views Kimball Hayden as a threat to his rule. When a Croatian stronghold is breached and scores are killed, a religious icon is stolen that contains a dark particle that’s powerful enough to either create worlds or destroy them. With a corrupt pontiff who sees Kimball Hayden as a threat to his power, Pope Clement XV mobilizes the Vatican Knight without his team to retrieve the dark particle.