Cairo Vincent, a young but wealthy American business man, summons a demon to seek revenge for past wrongs. Raven Michaelis might not have been anything like what he was expecting, but she gets the job done, and her parentage certainly speaks for itself.

I'm a killer - a monster. I'm not ruled by emotion nor do I care for anything. I choose not to keep many friends and waste no time with acquaintances. I am a cold blooded killer – so tell me why I feel compelled to put everything on the line and protect this brat? (Modern AU)