In this thrilling adventure, an ex-Justice Department operative stumbles upon a dangerous historical puzzle involving the Knights Templar. As he delves deeper into the mystery, he finds himself at the center of a deadly conflict between those who wish to protect the Templar's ancient secrets and those who seek to expose them. The quest leads him across Europe, racing against time and pursued by a shadowy cabal, as he tries to unravel centuries-old clues that could shake the foundations of Christianity and alter the world's power structure if revealed.

The Baroque Cycle is an expansive historical fiction series that weaves together a rich tapestry of themes including science, politics, philosophy, and adventure during the late 17th and early 18th centuries. The narrative follows an eclectic cast of characters, ranging from natural philosophers and mathematicians to pirates and nobles, as they navigate the complex socio-political transformations of the Enlightenment era. The series delves into the origins of modern finance, the scientific revolution, and the geopolitical power shifts of the time, all while exploring the intricate interplay between the emerging modern world and the intricate, ornate culture of the Baroque period.