When Myles Abiel, vampire hunter, follows his latest prey into an office building, he is astounded by what he finds. Siren, a public relations agency, have taken it upon themselves to announce to the world the existence of supernatural creatures. Even worse: they're telling people that they aren't evil.

What's stranger is that they want to hire him, Myles Abiel - who's been killing their clients since he was old enough to walk.