Ethan Costigan - a Vietnam veteran turned criminal prosecutor has become a man deeply divided and troubled within, a man who has truly lost everything. Haunted by terrifying visions of a masked spirit tormentor, clad in black that shadows his every movement - and is the architect of his commonplace, horror filled nightmares. A tormentor from Ethan's long forgotten and troubled past. Now, living in an existence of pitiful misery and despondency - Ethan is forced to make a choice between one life or another: The path of vengeance woven by his ethereal, masked tormentor - or the path of salvation offered by his angel savior - Eliza.Dividuus tells both tales. Firstly, the story of Ethan's nemesis filled reality - to avenge all that he has lost at the behest of the crime family known as the "Rodriguez Organization". Subsequently, the story of Ethan's alternate reality of salvation is told. As the story develops, links between both realities begin to form, until the finale is reached and both realities are seamlessly and inextricably interwoven together...