Tyrone Dixon is a world renowned intellectual and philosopher that uses his immense power to combat supernatural foes. He pledges his life and fortune to the divine sovereignty of his people. Tyrone and his beautiful daughter, Azania, have a fifteen century long feud with the Duplechains', a coven of swamp witches that pose as some of the most prominent political figures in the New Orleans passe blanc community. In the Emissary of the Raven, Tyrone battles the Duplechains' greatest potion master and the Louisiana Ministere de l'agriculture, Angel Marie.