Mr. Crepsley has business to attend to in another city and takes Darren and Evra Von, the snake boy, with him. Darren and Evra spend their days in the city, while Mr. Crepsley spends his evenings with business. Darren developers a close relationship with a girl, Debbie Hemlock. When Darren and Evra see a news report informing them of corpses drained of their blood, they think the worst thing. Darren and Evra follow Mr. Crepsley and make a big mistake that puts Debbie in danger.