The first rule of a supernatural fight club? Don't kill your opponent.When the fighters come with lethal spells, werewolf strength and half-demon powers, that can be a lot tougher than it sounds. It's hard to attract talent if they know they might not leave the ring alive. So when fighters at a California club start dying -- it's bad for business. Witch detectives Paige Winterbourne and Savannah Levine take the case. Going undercover in the power-heavy arena of the fight club is a welcome change of pace for Paige, relegated to the role of The Wife as her husband struggles to find his place in his family's Cabal--the corporate Mafia of the supernatural world.