Vicki Nelson, a homicide cop turned private detective, her former partner Mike Celluci, who is still on the force, and vampire Henry Fitzroy, who is the illegitimate son of Henry VIII and makes his living as a writer of bodice rippers. Not only are the three of them caught in a love triangle, but they are, time and again, involved in mysteries with a supernatural slant from demons, to werewolves, to mummies and inevitably must join forces to solve crimes and defeat supernatural enemies.