La cámara de obsidiana

After a horrible confrontation off the coast of Exmouth, Massachusetts, Special Agent Pendergast disappears without a trace, and rumors of his death soon spread. Shattered, Constance seeks refuge in the former quarters of the family mansion, 891 Riverside Drive, where a dark figure from the past awaits to capture her. Proctor, Pendergast's bodyguard, quickly sets off on the trail of Constance's kidnapper across oceans and continents, venturing into unknown and hostile territories in order to save her. But in a world where everything is black and white, nothing is what it seems. By the time Proctor discovers the truth, a terrifying machinery has been set in motion. But it may be too late ...