Why is a notorious religious cult of assassins keeping him alive?

In this nail-biting suspense thriller, the hero's teenage daughter is taken in a blood-thirsty murder by a giant winged serpent; her body is left mysteriously shriveled and crushed. A former WWII MI6 agent, our anonymous hero is suspected of the crime by the police and his divorcing wife.

With strange powers of foresight, he goes on the run to clear his name. He has only one friend, a historian and member of the modern Knights Hospitaller, but with this help, he embarks on a white-knuckle ride to salvation.

In Paris, a witch servant of the mysterious Catholic assassin sect Concilium Putus Visum seduces him during his quest for the secret weapon of the Cathars. If he can solve a puzzling set of clues to find the weapon, he might kill the monster and save his marriage.

But why do the assassins and the vampire snakes seem to be protecting him? Why is his grandfather's body no longer where it should be; in his grave? What supernatural secret about the family was the old man trying to reveal to him before he died?

Lovers of Dan Brown's evocative mix of mystery and history will love this Occult Thriller - a dark and powerful, nerve-shredding tale, which neatly deftly combines crime thriller aspects with the occult and historical.