But it soon becomes apparent that others are hunting this most precious of treasures – for far more evil ends. It seems that everyone – from the Nazis of the past to the shadowy modern organisation known as Gladius Domini – wants to uncover the secrets of immortality.Teaming up with attractive American scientist Dr Roberta Ryder, Ben is led on a wild and dangerous trail from Paris to the ancient Cathar strongholds of the Languedoc, where an astonishing secret has lain hidden for centuries…