Vampires don't exist, do they? That's a question Private Detective Tony Mandolin finds himself pondering as the evidence piles up pointing to just that in a case involving a string of dead redheads and the usual dose of weirdness San Francisco has to offer. To complicate things, Mandolin doesn't appreciate the perception of those around him that he's become the latest golden boy of Fog City's crime boss. None of that gets into his cross-dressing friend Frankie... Ahh, just another day in San Francisco.