Consider Mr. Brooks: a successful businessman; a generous philanthropist; a loving father and devoted husband. Seemingly, he's perfect. But Mr. Brooks has a secret--he is an insatiable serial killer, so lethally clever that no one has ever suspected him--until now. Earl Brooks is a man who has managed to keep his two incompatible worlds from intersecting by controlling his cunning, wicked alter ego Marshall. But now, as Mr. Brooks succumbs to one last murderous urge, an amateur photographer witnesses the crime.