When Mr Crepsley is called upon by the Vampire Generals, Darren and the snake-boy, Evra Von, leave the Cirque Du Freak and travel with him to the city. Whilst there, Darren meets Debbie and his life as a Vampire's Assistant fades into the background – until corpses are found. Corpses drained of blood... Suspicious of Mr Crepsley's secretive behaviour, Darren and Evra shadow him across the city and confront a creature of the night that may be the end of them all...