After her troublemaking brother, Caleb, goes missing, Katherine Verdoux seeks the services of sarcastic private investigator Rafe Guttman to track the errant youth down. Rafe eventually determines that Caleb is in the thrall of Lilith, a powerful vampire who operates a seedy brothel. When Rafe and Katherine set out to rescue Caleb, they must contend with the lethal Lilith and her evil minions.