The game tells the tale of the beautiful, gifted opera singer Mona De Lafitte, whose life is brought to an abrupt end by a vampire baron named Shrowdy Von Kiefer. Henceforth, she is doomed to a miserable existence as a creature of the night in Von Kiefer's gloomy castle. Confronted with her seemingly hopeless fate, she decides to run away and try to fulfil her dream of singing at the Paris Opera. Accompanied by her mischievous bat Froderick, Mona must face a number of challenges in her odyssey and learn not only to accept her vampire nature, but also to use her newly acquired vampiric abilities to her advantage.