Along the chain of Himalayan mountains sits a precipice that serves as a gateway into Mount Everest. Teaming up with Ben Peyton and his crew of elite soldiers who are joined by a Chinese special-ops unit, they quickly discover that the mountain had been hollowed out to contain an entire valley filled with temples and pyramids. As the teams push forward to find the secrets of an alleged Great Army that resides within this cavern, they soon uncover the dangers and pitfalls that lead to a grisly truth.

Months after their narrow escape from Eden, archeologists and symbologists John Savage and Alyssa Moore are called upon to examine archaic texts inside the presumed city of Atlantis. The writings are similar to those discovered in Eden, the symbols a roadmap to mankind's destruction by the year 2026. Along with a commando unit, John and Alyssa quickly discover the pitfalls that were created to keep a fabled relic safe.

Before Kimball Hayden became a Vatican Knight, he was the commander of the Pieces of Eight, a kill squad that worked as part of a black-arm force of the CIA. He kills with impunity and acts with the cold fortitude of a machine. But when he begins to question the morality of his actions and the motives of his superiors, he is placed within the crosshairs by high-end principals who want to see him dead.

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.

During a visit to the United States, Pope Pius XIV is caught within the crosshairs of a lethal assassin. After scores of people are killed during an event featuring the Pope's address, a conspiracy theory emerges that the killings were conducted by one of the CIA’s own. As the data trickles in, it becomes clear that the assassin is none other than Shari Cohen. 

In Egypt, those within the Saint Catherine Monastery are brutally attacked and a secret that has been hidden for more than 3,500 years is stolen. In Zurich, an arms dealer makes an agreement with a band of elite terrorists for one-of-a-kind weapons of mass destruction, for a treasure that was presumed destroyed during the Exodus. When a conversation between two men is covertly videotaped by an operator of the CIA, Vatican Intelligence and the Mossad realize that the partial message received was filled with enigmas.

In central Syria, villages are razed as young men are conscripted to join the ISIS faction. In a Doctors Without Borders camp which is overrun by members of the Islamic State, people are abducted along with a priest Father Savino. He also happens to be the brother of the Vatican’s Secretariat of State. From the green zone in Iraq, Shari Cohen, now a CIA consultant and operator, learns that she must appropriate intel from the resurging ISIS force to stop them from striking international targets.

More than a year ago, John Savage and Alyssa Moore nearly lost their lives after discovering the Temple of Eden. Now, two more temples have been discovered: The Temple of God, which holds the answers to mankind's inevitable fate, and a third temple that houses Earth's future once mankind has been eliminated.

In Southeast Turkey, where the heads of the four main rivers once met, a magnificent temple created 14,000 years ago is discovered beneath the desert floor. Believed to have been created by lost technology, it is quickly determined by a team of archeologists to be the centerpiece of Eden, a once illustrious civilization and the cradle of mankind. But what if Eden is not the paradise that the texts make it out to be? What if it held dark secrets and unholy terrors instead?

Nearly 65 million years ago an asteroid collided with the Yucatan Peninsula in the fifth and final extinction event that nearly destroyed all life on Earth. But when a recent earthquake exposes something unusual 2,000 feet beneath the Yucatan Peninsula, cryptanalysts Alyssa Moore and John Savage are called in to investigate this peculiar structure that bears uncanny resemblances to writings discovered in Eden.

When the Spear of Destiny is stolen by members of the Islamic State with its leader believing that the possessor of the Holy Lance has the ability to command powerful legions, they quickly find themselves in a position of "no escape" inside a towering skyscraper. Now that the power of the Holy Lance is in the hands of Ali Mustafa, he now finds himself with the opportunity to test its value and strength against those who dare oppose him. 

Growing up with a sheltering mother and a belligerent father, Kimball Hayden's young life goes from one of innocence to the depths of chaos. When a vicious syndicate of murderers and extortionists begin to run the streets, Kimball soon becomes the focal point of their attention. His family is placed within the crosshairs, friends go missing or are found dead, all messages from the Gangster Prince. But when Kimball's world shatters and he grieves a great loss, the sleeping giant within him awakens.

After a sacred tome written by the hand of Saint Peter is stolen from the Vatican’s Secret Archives, people around the world begin to die at the hands of a madman once the secrets of The Brimstone Diaries are unveiled. In Rome, a terrorist faction has quietly breached the ranks of the Vatican hierarchy. As the conspiracy within the ranks begin to materialize, the greatest threat to the Vatican State is about to commence with Vatican City caught dead-center within the crosshairs of total annihilation.

The half-mad explorer Dante Caruso swears he’s found a fabled Russian relic called the Amber Room, and he’s attracting the wrong kind of attention. A ruthless team of Ukrainian relic hunters called R24 has kidnapped him and his family; they want to know where the Amber Room is - and they’ll spill blood to find it. Nobody knows treasure hunting like Guy Bodie and his crew. But abduction is the last thing they expect. 

When a cargo plane carrying an ancient vase crashes into the Atlantic, the DGSE - otherwise known as the French CIA - immediately suspect it’s deliberate. The vase is believed to hold a key that gives entrance to a hidden cave on Easter Island: a site connected with ancient Egypt and an otherworldly portal discovered deep beneath the Great Pyramid of Giza.