Helen Christie

In 1830, forty years to the day since the last manifestation of their dreaded vampirism, the Karnstein heirs use the blood of an innocent to bring forth the evil that is the beautiful Mircalla - or as she was in 1710, Carmilla.

Benny steals Caroline's purse and finds a letter revealing her affair with married surgeon Mannering. Benny blackmails them, leading to murder.