Amidst tense peace talks between vampire and werewolf factions, a werewolf councillor is murdered. Recently adopted into the Clans, Jason is assigned, and forced by politics to partner with a vampire. Faced with growing fanaticism among the Clans, a vampire assassin, an old family enemy, and the threat of losing control of himself, Jason must solve the murder before his new life falls apart.
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For stories with fantastical elements I find it easier to keep track of how things work by writing out the rules of the setting, which are then often revised as I go along. For this story it was primarily a matter of which elements of the traditional lore I adopted.