There's a deadly new drug on the streets of America. Drac is instantly and horribly addictive, and it turns its users into zombies with a desperate craving for blood. Every agent from Spy High has been assigned to discover its source - even the trainees. But one member of Bond Team won't be joining the hunt. Jennifer Chen is following a dangerous trail of her own. She's got some private business with a street gang called the Serpents. And it's the business of revenge.