Audiobook number three in A. J. Butcher's series on teenage secret agents-in-training features Jennifer Chen, who becomes the first student in Spy High history to leave campus on her own (very dangerous) mission. When the Bond Team sets out to find her, they uncover a new drug sweeping Undertown, LA - Drac, an instantly addictive substance that gives users a craving for blood. The team must figure out a way to stay alive long enough to find Jen and shut the dealers down. An enjoyable fast-moving, action-packed tale, expertly narrated in Sean Mangan's dramatic baritone.