An experienced epidemiologist, an expert at the Centers for Disease Control and Prevention, Nathaniel McCormick has seen a lot... but this is the first time he has encountered such a strange case! Three women taken to a Baltimore hospital are slowly dying from an unknown disease... Dr. McCormick begins an investigation - and finds out that the infected women were intimate with the same man. McCormick tries to find him, but soon the man's body is discovered in the deep forest. And, what is most striking, he is missing all his internal organs... Coincidence? McCormick is sure that such coincidences do not exist! But who is behind the murder? And what traces is this person trying to cover up? McCormick is looking for answers to these questions and suddenly realizes: the next victim the mysterious killer - himself...